Gaya APA

Prof,Dr,Nasution,S, . (1988,1992,1996). Metode Penelitian Naturalistik Kualitatif (E-Book) . Bandung: Tarsito.

Gaya MLA

Prof,Dr,Nasution,S, . "Metode Penelitian Naturalistik Kualitatif (E-Book)". Bandung: Tarsito, 1988,1992,1996. Text.