Gaya APA

Douglass, M, P. (1967). Social Studies (From Theory To Practice In Elemnetary Education) . Philadelphia-New York: J.B. Lippincott Company.

Gaya MLA

Douglass, Malcolm, P.. "Social Studies (From Theory To Practice In Elemnetary Education)". Philadelphia-New York: J.B. Lippincott Company, 1967. Text.