APA (7e ed.) Bronvermelding

Hawkins, G., & Zimring, F. E. (1988). Pornography in a free society. Cambridge University Press.

Chicago (17e ed.) Bronvermelding

Hawkins, Gordon, en Franklin E. Zimring. Pornography in a Free Society. Cambridge [England]: Cambridge University Press, 1988.

MLA (9e ed.) Bronvermelding

Hawkins, Gordon, en Franklin E. Zimring. Pornography in a Free Society. Cambridge University Press, 1988.