Gaya APA

ARIEF, D, M, I., MacCarthy, D, M. (1981). ACTIVE MASTERY IN ENGLISH : VARIOUS TECHNIQUES OF TEACHING SPOKEN ENGLISH . YOGYAKARTA: IKIP Sanata Dharma.

Gaya MLA

ARIEF, Dra., M.I., INDRIANI., MacCarthy, Dra., Mary. "ACTIVE MASTERY IN ENGLISH : VARIOUS TECHNIQUES OF TEACHING SPOKEN ENGLISH". YOGYAKARTA: IKIP Sanata Dharma, 1981. Text.