Dyfyniad APA

Otto, J. H., & Blanc, S. S. (1951). Biology investigations: A workbook and laboratory manual (Rev. ed.). Holt, Rinehart and Winston.

Dyfyniad Arddull Chicago

Otto, James Howard, and Sam S. Blanc. Biology Investigations: A Workbook and Laboratory Manual. Rev. ed. New York: Holt, Rinehart and Winston, 1951.

Dyfyniad MLA

Otto, James Howard, and Sam S. Blanc. Biology Investigations: A Workbook and Laboratory Manual. Rev. ed. Holt, Rinehart and Winston, 1951.

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