Cita APA (7th ed.)

Hughes, J., & Sharrock, W. (1997). The philosophy of social research (3rd ed.). Longman.

Cita Chicago (17th ed.)

Hughes, J.A, i W.W Sharrock. The Philosophy of Social Research. 3rd ed. London: Longman, 1997.

Cita MLA (8th ed.)

Hughes, J.A, i W.W Sharrock. The Philosophy of Social Research. 3rd ed. Longman, 1997.