Dyfyniad APA
Montello, D. R., & Sutton, P. C. (2013). An introduction to scientific research methods in geography & environmental studies (2nd ed.). SAGE.
Dyfyniad Arddull Chicago
Montello, Daniel R., and Paul C. Sutton. An Introduction to Scientific Research Methods in Geography & Environmental Studies. 2nd ed. London Thousand Oaks, Calif: SAGE, 2013.
Dyfyniad MLA
Montello, Daniel R., and Paul C. Sutton. An Introduction to Scientific Research Methods in Geography & Environmental Studies. 2nd ed. SAGE, 2013.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.