APA-referens (7:e uppl.)

SANDERS, H. e. (1966). Cooperative extension service. Prentice -Hall.

Chicago-referens (17:e uppl.)

SANDERS, H.C. ed. Cooperative Extension Service. New Jersey: Prentice -Hall, 1966.

MLA-referens (9:e uppl.)

SANDERS, H.C. ed. Cooperative Extension Service. Prentice -Hall, 1966.