(1983). Sulfur In South-east Asian & South Pacific Agriculture. [ADAB-The Sulphure Institut].
Chicago (17e ed.) BronvermeldingSulfur In South-east Asian & South Pacific Agriculture. [ADAB-The Sulphure Institut], 1983.
MLA (8e ed.) BronvermeldingSulfur In South-east Asian & South Pacific Agriculture. [ADAB-The Sulphure Institut], 1983.
Let op: Deze citaties zijn niet altijd 100% accuraat.