APA aipamena

Stretton, H. (1969). The political sciences: General principles of selection in social science and history. Routledge & K. Paul.

Chicago Style aipamena

Stretton, Hugh. The Political Sciences: General Principles of Selection in Social Science and History. London: Routledge & K. Paul, 1969.

MLA aipamena

Stretton, Hugh. The Political Sciences: General Principles of Selection in Social Science and History. Routledge & K. Paul, 1969.