Παραπομπή APA

Burkett J. (1978). Agricultural research index: A guide to agricultural research including dairy farming fisheries, food, forestry, horticulture and veterinary science: V 2 (6.). Francis hodgson.

Παραπομπή Chicago Style

Burkett J. Agricultural Research Index: A Guide to Agricultural Research Including Dairy Farming Fisheries, Food, Forestry, Horticulture and Veterinary Science: V 2. 6. U K: Francis hodgson, 1978.

Παραπομπή MLA

Burkett J. Agricultural Research Index: A Guide to Agricultural Research Including Dairy Farming Fisheries, Food, Forestry, Horticulture and Veterinary Science: V 2. 6. Francis hodgson, 1978.