APA
Gardiner A., . (1997). The mathematical olympiad handbook: an introduction to problem solving based on the first 32 british mathematical Olynpiads 1965-1996. Oxford: Oxford Universoty press.
Chicago
Gardiner A, . 1997. The mathematical olympiad handbook: an introduction to problem solving based on the first 32 british mathematical Olynpiads 1965-1996. Oxford: Oxford Universoty press.
Harvard
Gardiner A., . (1997). The mathematical olympiad handbook: an introduction to problem solving based on the first 32 british mathematical Olynpiads 1965-1996. Oxford: Oxford Universoty press.
MLA
Gardiner A, . The mathematical olympiad handbook: an introduction to problem solving based on the first 32 british mathematical Olynpiads 1965-1996. Oxford: Oxford Universoty press. 1997.