APA aipamena

Nichols, J. E. (1957). Livestock improvement in relation to heredity and environment (4th ed.). Oliver and Boyd.

Chicago Style aipamena

Nichols, J. E. Livestock Improvement in Relation to Heredity and Environment. 4th ed. Edinburgh [Lothian]: Oliver and Boyd, 1957.

MLA aipamena

Nichols, J. E. Livestock Improvement in Relation to Heredity and Environment. 4th ed. Oliver and Boyd, 1957.