Gaya APA

Preston, R, C., Herman, J, W, L. (1981). Teaching social studies in the elementary school / Ralph C. Preston, Wayne L. Herman Jr (Ed.ke-5). New York: Holt, Rinehart and Winston.

Gaya MLA

Preston, Ralph, C.., Herman, Jr,, Wayne, L.. "Teaching social studies in the elementary school / Ralph C. Preston, Wayne L. Herman Jr". Ed.ke-5 New York: Holt, Rinehart and Winston, 1981. Textbook.