Gaya APA

SIRAIT, C, B., SUSANTO, A, [. (2012). Public speaking for teacher : . Jakarta: Gramedia Widiasarana.

Gaya MLA

SIRAIT, Charles, Bonar., SUSANTO, AF., [penyunt.]. "Public speaking for teacher :". Jakarta: Gramedia Widiasarana, 2012. Buku.