Dyfyniad APA

Lisle, R. J., Brabham, P., & Barnes, J. W. (2011). Basic geological mapping (Fifth edition.). Wiley.

Dyfyniad Arddull Chicago

Lisle, Richard J., Peter Brabham, and John W. Barnes. Basic Geological Mapping. Fifth edition. Hoboken, N.J: Wiley, 2011.

Dyfyniad MLA

Lisle, Richard J., et al. Basic Geological Mapping. Fifth edition. Wiley, 2011.

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