Gaya APA

Ibrahim, A, S. (2011). Ansietas (Takut Mati) : Cemas, Was - was dan Khawatir . : Jelajah Nusa.

Gaya MLA

Ibrahim, Ayub, Sani. "Ansietas (Takut Mati) : Cemas, Was - was dan Khawatir". : Jelajah Nusa, 2011. Text.