Gaya APA

Perminyakan, I, A, T. (1991). PROCEEDINGS OF THE INTERNATIONAL SYMPOSIUM ON HORIZONTAL WELL TECHNOLOGY . Yogyakarta: Yogyakarta : IATMI,.

Gaya MLA

Perminyakan, Ikatan, Ahli, Teknik. "PROCEEDINGS OF THE INTERNATIONAL SYMPOSIUM ON HORIZONTAL WELL TECHNOLOGY". Yogyakarta: Yogyakarta : IATMI,, 1991. Text.