(1939). Vol. 17, № 2 (Vol. 31, № 4); Industrial and Engineering Chemistry. New Edition. 1939.
Chicago Style aipamenaVol. 17, № 2 (Vol. 31, № 4); Industrial and Engineering Chemistry. New Edition. 1939, 1939.
MLA aipamenaVol. 17, № 2 (Vol. 31, № 4); Industrial and Engineering Chemistry. New Edition. 1939, 1939.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.