Dyfyniad APA

Pirtle, W. G., & Grant, J. J. (1972). The social sciences: An integrated approach. Random House.

Dyfyniad Arddull Chicago

Pirtle, Wayne G., and John J. Grant. The Social Sciences: An Integrated Approach. New York: Random House, 1972.

Dyfyniad MLA

Pirtle, Wayne G., and John J. Grant. The Social Sciences: An Integrated Approach. Random House, 1972.

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