Παραπομπή APA

Gupta, P. K. (1990). Cytology genetics and evolution.

Παραπομπή Chicago Style

Gupta, P K. Cytology Genetics and Evolution. Meerut, Rastogi Publications, 1990.

Παραπομπή MLA

Gupta, P K. Cytology Genetics and Evolution. 1990.