Gaya APA

Casteel, J, D., Stahl, R, J. (1975). Value Clarification In The Classroom (Ke-1). California: Goodyear Publishing Company.

Gaya MLA

Casteel, J., Doyle., Stahl, Robert, J.. "Value Clarification In The Classroom". Ke-1 California: Goodyear Publishing Company, 1975. Text.