Gaya APA

MULYONO,D.S, . (1991). Communicative activities in English / D.S. Muljono (ed.1). : IKIP N .

Gaya MLA

MULYONO,D.S, . "Communicative activities in English / D.S. Muljono". ed.1 : IKIP N , 1991. Referensi.