Gaya APA

Social Problems. (2004). Iskandariyah: [s.n.].

Gaya Chicago

Social Problems. . Iskandariyah: [s.n.], 2004. Text.

Gaya MLA

Social Problems. . Iskandariyah: [s.n.], 2004. Text.

Gaya Turabian

Social Problems. Iskandariyah: [s.n.], 2004. Print.