Dyfyniad APA

Holton, D. (2010). First step to Mathematical olympiad problems. World Scientific.

Dyfyniad Arddull Chicago

Holton, Derek. First Step to Mathematical Olympiad Problems. New Jersey: World Scientific, 2010.

Dyfyniad MLA

Holton, Derek. First Step to Mathematical Olympiad Problems. World Scientific, 2010.

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.