Παραπομπή APA

D Noble & K Pavithran. (1990). Productive performance of crossbred cows in hot humid environment (Phd.). College of veterinary and animal sciences.

Παραπομπή Chicago Style

D Noble και K Pavithran. Productive Performance of Crossbred Cows in Hot Humid Environment. Phd. College of veterinary and animal sciences, 1990.

Παραπομπή MLA

D Noble και K Pavithran. Productive Performance of Crossbred Cows in Hot Humid Environment. Phd. College of veterinary and animal sciences, 1990.