Gaya APA

Zakaria, Hamry Gusman. (). 5 pillar . : .

Gaya Chicago

Zakaria, Hamry Gusman. 5 pillar. : , . Text.

Gaya MLA

Zakaria, Hamry Gusman. 5 pillar. : , . Text.

Gaya Turabian

Zakaria, Hamry Gusman. 5 pillar. : , . Print.