APA (7e ed.) Bronvermelding

Ord, J. E. (1972). Elementary school social studies for today's children. Harper & Row.

Chicago (17e ed.) Bronvermelding

Ord, John E. Elementary School Social Studies for Today's Children. New York: Harper & Row, 1972.

MLA (9e ed.) Bronvermelding

Ord, John E. Elementary School Social Studies for Today's Children. Harper & Row, 1972.