APA (7e ed.) Bronvermelding
ebrary, Inc. (1988). Understanding agriculture: New directions for education. National Academy Press.
Chicago (17e ed.) Bronvermelding
ebrary, Inc. Understanding Agriculture: New Directions for Education. Washington, D.C.: National Academy Press, 1988.
MLA (9e ed.) Bronvermelding
ebrary, Inc. Understanding Agriculture: New Directions for Education. National Academy Press, 1988.
Let op: Deze citaties zijn niet altijd 100% accuraat.