APA (7e ed.) Bronvermelding

(1938). Vol. 16, № 9 (Vol. 30, № 18); Industrial and Engineering Chemistry. New Edition. 1938.

Chicago (17e ed.) Bronvermelding

Vol. 16, № 9 (Vol. 30, № 18); Industrial and Engineering Chemistry. New Edition. 1938, 1938.

MLA (9e ed.) Bronvermelding

Vol. 16, № 9 (Vol. 30, № 18); Industrial and Engineering Chemistry. New Edition. 1938, 1938.

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