Παραπομπή APA

Bland, B. F. (1971). Crop production: Cereals and legumes. Acadamic Press.

Παραπομπή Chicago Style

Bland, B F. Crop Production: Cereals and Legumes. London: Acadamic Press, 1971.

Παραπομπή MLA

Bland, B F. Crop Production: Cereals and Legumes. Acadamic Press, 1971.