Styl cytowania APA

Duffy,Karen Grover, & Wong,Frank V. (2000). Community psychology (2.). Pearson Education Company.

Styl cytowania Chicago

Duffy,Karen Grover, i Wong,Frank V. Community Psychology. 2. Needham Heights: Pearson Education Company, 2000.

Styl cytowania MLA

Duffy,Karen Grover, i Wong,Frank V. Community Psychology. 2. Pearson Education Company, 2000.