Dyfyniad APA

Tobey, J., Slater, J., Blair, J., & Crawford, J. (2009). Basic college mathematics (6th ed.). Pearson.

Dyfyniad Arddull Chicago

Tobey, John, Jeffrey Slater, Jamie Blair, and Jennifer Crawford. Basic College Mathematics. 6th ed. Upper Saddle River, N.J: Pearson, 2009.

Dyfyniad MLA

Tobey, John, et al. Basic College Mathematics. 6th ed. Pearson, 2009.

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