APA (7e ed.) Bronvermelding
Gordon, D. (1991). Growing fruit in the upper Midwest. University of Minnesota Press.
Chicago (17e ed.) Bronvermelding
Gordon, Donald. Growing Fruit in the Upper Midwest. Minneapolis: University of Minnesota Press, 1991.
MLA (9e ed.) Bronvermelding
Gordon, Donald. Growing Fruit in the Upper Midwest. University of Minnesota Press, 1991.
Let op: Deze citaties zijn niet altijd 100% accuraat.