APA

Bettencourt E., Konopka J., . (1989). Temperate fruits and tree nuts: actinidia, amelannchier, carya, castanea, corylus, cydonia, diospyros, fragaria, juglans, malus, mespilus, morus, olea, pistacia, prunus, punica, pyrus, ribes, rosa, rubus, sambucus, sorbus, vaccinium and others. Rome: IBPGR.

Chicago

Bettencourt E, Konopka J, . 1989. Temperate fruits and tree nuts: actinidia, amelannchier, carya, castanea, corylus, cydonia, diospyros, fragaria, juglans, malus, mespilus, morus, olea, pistacia, prunus, punica, pyrus, ribes, rosa, rubus, sambucus, sorbus, vaccinium and others. Rome: IBPGR.

Harvard

Bettencourt E., Konopka J., . (1989). Temperate fruits and tree nuts: actinidia, amelannchier, carya, castanea, corylus, cydonia, diospyros, fragaria, juglans, malus, mespilus, morus, olea, pistacia, prunus, punica, pyrus, ribes, rosa, rubus, sambucus, sorbus, vaccinium and others. Rome: IBPGR.

MLA

Bettencourt E, Konopka J, . Temperate fruits and tree nuts: actinidia, amelannchier, carya, castanea, corylus, cydonia, diospyros, fragaria, juglans, malus, mespilus, morus, olea, pistacia, prunus, punica, pyrus, ribes, rosa, rubus, sambucus, sorbus, vaccinium and others. Rome: IBPGR. 1989.