Dyfyniad APA
Labovitz, S., & Hagedorn, R. (1971). Introduction to social research (2nd ed.). McGraw - Hill.
Dyfyniad Arddull Chicago
Labovitz, Sanford, and Robert Hagedorn. Introduction to Social Research. 2nd ed. New York: McGraw - Hill, 1971.
Dyfyniad MLA
Labovitz, Sanford, and Robert Hagedorn. Introduction to Social Research. 2nd ed. McGraw - Hill, 1971.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.