APA引文

Elonka, S. M. (1973). Standard boiler operators' questions and answers. Tata Mc Graw - Hill.

Chicago Edition Citation

Elonka, Stephen Michael. Standard Boiler Operators' Questions and Answers. Mumbai: Tata Mc Graw - Hill, 1973.

MLA引文

Elonka, Stephen Michael. Standard Boiler Operators' Questions and Answers. Tata Mc Graw - Hill, 1973.

警告：這些引文格式不一定是100％准確.