Gaya APA

ALEXANDER, L.G.. (1975). Delveloping Skills . Yogyakarta: Kanisius.

Gaya Chicago

ALEXANDER, L.G.. Delveloping Skills. Yogyakarta: Kanisius, 1975. .

Gaya MLA

ALEXANDER, L.G.. Delveloping Skills. Yogyakarta: Kanisius, 1975. .

Gaya Turabian

ALEXANDER, L.G.. Delveloping Skills. Yogyakarta: Kanisius, 1975. .