Παραπομπή APA

H De boer & J Martin. (1978). Ptterns of growth and development incattle. Hugue.

Παραπομπή Chicago Style

H De boer και J Martin. Ptterns of Growth and Development Incattle. Hugue, 1978.

Παραπομπή MLA

H De boer και J Martin. Ptterns of Growth and Development Incattle. Hugue, 1978.