APA引文

Clerence E Bundy & Ronald V Diggins. (1970). Swine production. Engla nd.

Chicago Edition Citation

Clerence E Bundy and Ronald V Diggins. Swine Production. Engla nd, 1970.

MLA引文

Clerence E Bundy and Ronald V Diggins. Swine Production. Engla nd, 1970.

警告：這些引文格式不一定是100％准確.