Foster, D. L. (1990). Destinations: North American and international geography. Glencoe/Macmillan/McGraw-Hill.
Chicago (17e ed.) BronvermeldingFoster, Dennis L. Destinations: North American and International Geography. Lake Forest, Ill.: Glencoe/Macmillan/McGraw-Hill, 1990.
MLA (8e ed.) BronvermeldingFoster, Dennis L. Destinations: North American and International Geography. Glencoe/Macmillan/McGraw-Hill, 1990.
Let op: Deze citaties zijn niet altijd 100% accuraat.