Gaya APA

Clark, J, O, E. (2010). Buku Referensi : Seri Ensiklopedia IPA Physics Matters! Volume 7 Electric Current . : Grolier Educational.

Gaya MLA

Clark, John, O., E.. "Buku Referensi : Seri Ensiklopedia IPA Physics Matters! Volume 7 Electric Current". : Grolier Educational, 2010. Text.