APA (7e ed.) Bronvermelding

SUFIAN, A. J. M. (1998). METHODS AND TECHNIQUES OF SOCIAL RESEARCH. The University Press Limited.

Chicago (17e ed.) Bronvermelding

SUFIAN, ABU JAFAR MOHAMMAD. METHODS AND TECHNIQUES OF SOCIAL RESEARCH. 114 Motijheel C/A, Dhaka 1000: The University Press Limited, 1998.

MLA (9e ed.) Bronvermelding

SUFIAN, ABU JAFAR MOHAMMAD. METHODS AND TECHNIQUES OF SOCIAL RESEARCH. The University Press Limited, 1998.