al.], C. G. S. (1993). Pengantar metode penelitian. U.I. Press.
Chicago Style Citational.], Consuelo G. Sevilla...[et. Pengantar Metode Penelitian. U.I. Press, 1993.
MLA Citational.], Consuelo G. Sevilla...[et. Pengantar Metode Penelitian. U.I. Press, 1993.
Warning: These citations may not always be 100% accurate.