Dyfyniad APA

Lowe, J. J., & Walker, M. J. C. (1997). Reconstructing quaternary environments (2nd ed.). Addison Wesley Longman.

Dyfyniad Arddull Chicago

Lowe, John J., and Mike J. C. Walker. Reconstructing Quaternary Environments. 2nd ed. Harlow, Essex: Addison Wesley Longman, 1997.

Dyfyniad MLA

Lowe, John J., and Mike J. C. Walker. Reconstructing Quaternary Environments. 2nd ed. Addison Wesley Longman, 1997.

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