Dyfyniad APA

Smith, R. N. 1., & Pierce, W. C. (1955). General chemistry workbook: Conway Pierce, R. Nelson Smith (4th ed.). San Francisco: W. H. Freeman.

Dyfyniad Arddull Chicago

Smith, R. Nelson 1916-, và Willis Conway Pierce. General Chemistry Workbook: Conway Pierce, R. Nelson Smith. 4th ed. San Francisco: W. H. Freeman, 1955.

Dyfyniad MLA

Smith, R. Nelson 1916-, và Willis Conway Pierce. General Chemistry Workbook: Conway Pierce, R. Nelson Smith. 4th ed. San Francisco: W. H. Freeman, 1955.

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