Dyfyniad APA
Busch, D. H., Conley, R. T., & Shull, H. (1973). Chemistry. Allyn and Bacon.
Dyfyniad Arddull Chicago
Busch, Daryle H., Robert T. Conley, and Harrison Shull. Chemistry. Boston: Allyn and Bacon, 1973.
Dyfyniad MLA
Busch, Daryle H., et al. Chemistry. Allyn and Bacon, 1973.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.