APA ציטוט

Leedy, P. D. (2005). Practical research planning and design Paul D. Leedy, Jeanne Ellis Ormrod. Pearson Educatin.

Chicago Style (17th ed.) Citation

Leedy, Paul D. Practical Research Planning and Design Paul D. Leedy, Jeanne Ellis Ormrod. Pearson Educatin, 2005.

ציטוט MLA

Leedy, Paul D. Practical Research Planning and Design Paul D. Leedy, Jeanne Ellis Ormrod. Pearson Educatin, 2005.