Gaya APA

ICHLASULAMAL, . (1998). REGIONAL,NASIONAL,DAN KERTAHANAN NASIONAL . Yogyakarta: Gadjah Mada University Press.

Gaya MLA

ICHLASULAMAL, . "REGIONAL,NASIONAL,DAN KERTAHANAN NASIONAL". Yogyakarta: Gadjah Mada University Press, 1998. Textbook.