APA (7e ed.) Bronvermelding

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

Chicago (17e ed.) Bronvermelding

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

MLA (8e ed.) Bronvermelding

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

Let op: Deze citaties zijn niet altijd 100% accuraat.