Penggayaan APA

HODSON, The RT. Hon. Lord. (1971). Water pollution as a world problem: . London: The David Davies Memorial Institut.

Chicago Style

HODSON, The RT. Hon. Lord. Water pollution as a world problem:. London: The David Davies Memorial Institut, 1971. Text.

MLA Style

HODSON, The RT. Hon. Lord. Water pollution as a world problem:. London: The David Davies Memorial Institut, 1971. Text.

Turabian Style

HODSON, The RT. Hon. Lord. Water pollution as a world problem:. London: The David Davies Memorial Institut, 1971. Print.