Penggayaan APA

HANNIGAN, John A.. (1995). Environmental sociology : . London: Routledge.

Chicago Style

HANNIGAN, John A.. Environmental sociology :. London: Routledge, 1995. Text.

MLA Style

HANNIGAN, John A.. Environmental sociology :. London: Routledge, 1995. Text.

Turabian Style

HANNIGAN, John A.. Environmental sociology :. London: Routledge, 1995. Print.