APA引文

Roytvarf. (2013). Thinking in Problems (1.). Birkhäuser Boston.

Chicago Style (17th ed.) Citation

Roytvarf. Thinking in Problems. 1. Birkhäuser Boston, 2013.

MLA引文

Roytvarf. Thinking in Problems. 1. Birkhäuser Boston, 2013.

警告：這些引文格式不一定是100％准確.