APA

Wood D. S., Walton Wood D., . (1990). How to plana conservation education program. New York: WRI.

Chicago

Wood David S, Walton Wood Diane, . 1990. How to plana conservation education program. New York: WRI.

Harvard

Wood D. S., Walton Wood D., . (1990). How to plana conservation education program. New York: WRI.

MLA

Wood David S, Walton Wood Diane, . How to plana conservation education program. New York: WRI. 1990.