Dyfyniad APA

Baretta - Bekker, J. G., & Duursma, E. K. K. (1998). Encyclopaedia of Marine Sciences (2nd corrected and enlarged ed.). Springer-Verlag.

Dyfyniad Arddull Chicago

Baretta - Bekker, J G., and E K Kuipers Duursma. Encyclopaedia of Marine Sciences. 2nd corrected and enlarged ed. Berlin: Springer-Verlag, 1998.

Dyfyniad MLA

Baretta - Bekker, J G., and E K Kuipers Duursma. Encyclopaedia of Marine Sciences. 2nd corrected and enlarged ed. Springer-Verlag, 1998.

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