APA stil citiranja

(1970). A curriculum activities guide to water pollution and environmental studied: A curriculum activities guide to water pollution and environmental studied. vol.1. New Hampshire: Tilton school.

Chicago stil citiranja

A curriculum activities guide to water pollution and environmental studied: A curriculum activities guide to water pollution and environmental studied. vol.1. New Hampshire: Tilton school, 1970.

MLA stil citiranja

A curriculum activities guide to water pollution and environmental studied: A curriculum activities guide to water pollution and environmental studied. vol.1. New Hampshire: Tilton school, 1970.