Παραπομπή APA

Land, R. B., & Robinson, D. W. (1985). Genetics of reproduction in sheep. Butterworths.

Παραπομπή Chicago Style

Land, R. B., και D. W. Robinson. Genetics of Reproduction in Sheep. London ; Boston: Butterworths, 1985.

Παραπομπή MLA

Land, R. B., και D. W. Robinson. Genetics of Reproduction in Sheep. Butterworths, 1985.