APA引文

Hal Markowitz. (1982). Behavioral enrichment in the zoo. Newyork.

Chicago Edition Citation

Hal Markowitz. Behavioral Enrichment in the Zoo. Newyork, 1982.

MLA引文

Hal Markowitz. Behavioral Enrichment in the Zoo. Newyork, 1982.

警告:這些引文格式不一定是100%准確.