Van Norman, H. E. (1915). First lessons in dairying: A handbook setting forth the underlying principles of dairying for the student beginner in the laboratory and on the farm. Orange Judd Co..
Παραπομπή σε μορφή Chicago (17η εκδ.)Van Norman, H. E. First Lessons in Dairying: A Handbook Setting Forth the Underlying Principles of Dairying for the Student Beginner in the Laboratory and on the Farm. New York: Orange Judd Co., 1915.
Παραπομπή σε μορφή MLA (8th εκδ.)Van Norman, H. E. First Lessons in Dairying: A Handbook Setting Forth the Underlying Principles of Dairying for the Student Beginner in the Laboratory and on the Farm. Orange Judd Co., 1915.
Πρόσοχή: Οι παραπομπές μπορεί να μην είναι 100% ακριβείς.