Dyfyniad APA

Dull, C. E., & Castka, J. F. (1954). Tests in chemistry. Henry Holt and Co..

Dyfyniad Arddull Chicago

Dull, Charles E., and Joseph F. Castka. Tests in Chemistry. New York : Chicago [etc.]: Henry Holt and Co., 1954.

Dyfyniad MLA

Dull, Charles E., and Joseph F. Castka. Tests in Chemistry. Henry Holt and Co., 1954.

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.