APA引文

Heimler, C. H. (1989). Focus on life sciences. Merrill Publishing Company.

Trích dẫn kiểu Chicago

Heimler, Charles H. Focus On Life Sciences. Merrill Publishing Company, 1989.

MLA引文

Heimler, Charles H. Focus On Life Sciences. Merrill Publishing Company, 1989.

警告：這些引文格式不一定是100％准確.