APA (7e ed.) Bronvermelding

CROCKETT, J. U. (1979). Lawns And Ground Covers James Underwood Crockett. Time-Life Books.

Chicago (17e ed.) Bronvermelding

CROCKETT, James Underwood. Lawns And Ground Covers James Underwood Crockett. Time-Life Books, 1979.

MLA (8e ed.) Bronvermelding

CROCKETT, James Underwood. Lawns And Ground Covers James Underwood Crockett. Time-Life Books, 1979.

Let op: Deze citaties zijn niet altijd 100% accuraat.