Dyfyniad APA
Hughes, M., Kroehler, C. J., & Vander Zanden, J. W. (1999). Sociology: The core (5th ed.). McGraw-Hill College.
Dyfyniad Arddull Chicago
Hughes, Michael, Carolyn J. Kroehler, and James Wilfrid Vander Zanden. Sociology: The Core. 5th ed. Boston: McGraw-Hill College, 1999.
Dyfyniad MLA
Hughes, Michael, et al. Sociology: The Core. 5th ed. McGraw-Hill College, 1999.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.