Gaya APA

Alexander, L. (1975). Practice and progress: an integrated course for pre-intermediate students (ed. i). (4) Organisasi Perusahaan: Teo: Mahabbah.

Gaya MLA

Alexander, L.. Practice and progress: an integrated course for pre-intermediate students. ed. i (4) Organisasi Perusahaan: Teo: Mahabbah, 1975. Text.