APA citiranje

PFEIFFER W. (1996). THE ENCY OF GROUP ACTIVITIES. PIEIFFER & CO.

Chicago Style (17th ed.) Citation

PFEIFFER W. THE ENCY OF GROUP ACTIVITIES. AMSTERDAN: PIEIFFER & CO, 1996.

MLA citiranje

PFEIFFER W. THE ENCY OF GROUP ACTIVITIES. PIEIFFER & CO, 1996.