Gaya APA

ALEXANDER, L.G.. (1975). Practice and progress : an integrated course for pre-intermediate students . Yogyakarta: Kanisius dan Anggota IKAPI.

Gaya Chicago

ALEXANDER, L.G.. Practice and progress : an integrated course for pre-intermediate students. Yogyakarta: Kanisius dan Anggota IKAPI, 1975. Text.

Gaya MLA

ALEXANDER, L.G.. Practice and progress : an integrated course for pre-intermediate students. Yogyakarta: Kanisius dan Anggota IKAPI, 1975. Text.

Gaya Turabian

ALEXANDER, L.G.. Practice and progress : an integrated course for pre-intermediate students. Yogyakarta: Kanisius dan Anggota IKAPI, 1975. Print.