APA (7. basım) Alıntı

Leedy, P. D., & Ormrod, J. E. (2005). Practical research: Planning and design (8th ed.). Pearson/Merrill Prentice-Hall.

Chicago Style (17. basım) Atıf

Leedy, Paul D., ve Jeanne Ellis Ormrod. Practical Research: Planning and Design. 8th ed. Upper Saddle River, N.J: Pearson/Merrill Prentice-Hall, 2005.

MLA (9th ed.) Atıf

Leedy, Paul D., ve Jeanne Ellis Ormrod. Practical Research: Planning and Design. 8th ed. Pearson/Merrill Prentice-Hall, 2005.