APA

Laing J. . A., . (1979). Fertility and infertility in domestic animals. London: Elbs & balliere tindall.

Chicago

Laing J A, . 1979. Fertility and infertility in domestic animals. London: Elbs & balliere tindall.

Harvard

Laing J. . A., . (1979). Fertility and infertility in domestic animals. London: Elbs & balliere tindall.

MLA

Laing J A, . Fertility and infertility in domestic animals. London: Elbs & balliere tindall. 1979.