APA引文

PIGNANI, T. J. Elements of trigonometry#Tullio J.Pignani; Paul W.Haggard. Harcourt, Brace ^ World.

Chicago Style (17th ed.) Citation

PIGNANI, Tullio J. Elements of Trigonometry#Tullio J.Pignani; Paul W.Haggard. Harcourt, Brace ^ World.

MLA引文

PIGNANI, Tullio J. Elements of Trigonometry#Tullio J.Pignani; Paul W.Haggard. Harcourt, Brace ^ World.

警告：這些引文格式不一定是100％准確.