Gaya APA

RICHARDS, J., BYCINA, D. (1984). PERSON TO PERSON : COMMUNICATIVE SPEAKING AND LISTENING SKILLS, BOOK 1 . NEW YORK: .

Gaya MLA

RICHARDS, JACK.., BYCINA, DAVID. "PERSON TO PERSON : COMMUNICATIVE SPEAKING AND LISTENING SKILLS, BOOK 1". NEW YORK: , 1984. Prodi S1 Sastra Inggris.