WRIGHT, D. (1975). Speak easy book 2. Kanisius.
Cita Chicago (17th ed.)WRIGHT, Daniel. Speak Easy Book 2. Yogyakarta: Kanisius, 1975.
Cita MLA (9th ed.)WRIGHT, Daniel. Speak Easy Book 2. Kanisius, 1975.
Atenció: Aquestes cites poden no estar 100% correctes.