Gaya APA

Blough, G, O., Schwartz, J. (1979). Elementary school science and how to teach it / Glenn O. Blough, Julius Schwartz (Ed.ke-6). : Holt, Rinehart and Winston.

Gaya MLA

Blough, Glenn, O.., Schwartz, Julius. "Elementary school science and how to teach it / Glenn O. Blough, Julius Schwartz". Ed.ke-6 : Holt, Rinehart and Winston, 1979. Skripsi.