Trích dẫn APA

Purdy, A. P. (1944). Symposium of Civilian Wartime Problems in Nutrition: From the Standpoint of the Physician: The School Lunch Program.

Trích dẫn kiểu Chicago

Purdy, Ann Peril. Symposium of Civilian Wartime Problems in Nutrition: From the Standpoint of the Physician: The School Lunch Program. 1944.

Trích dẫn MLA

Purdy, Ann Peril. Symposium of Civilian Wartime Problems in Nutrition: From the Standpoint of the Physician: The School Lunch Program. 1944.

Cảnh báo: Các trích dẫn này có thể không phải lúc nào cũng chính xác 100%.