Kemp, D. D. (1994). Global Environmental Issues A Oil Matological Approach David D. Kemp. Routledge.
Chicago (17e ed.) BronvermeldingKemp, David D. Global Environmental Issues A Oil Matological Approach David D. Kemp. Routledge, 1994.
MLA (8e ed.) BronvermeldingKemp, David D. Global Environmental Issues A Oil Matological Approach David D. Kemp. Routledge, 1994.
Let op: Deze citaties zijn niet altijd 100% accuraat.