APA Style

Kurniawan, Panca, Purwanto, Agus. (). . : .

Chicago Style

Kurniawan, Panca, Purwanto, Agus. . : , . .

MLA Style

Kurniawan, Panca, Purwanto, Agus. . : , . .

Turabian Style

Kurniawan, Panca, Purwanto, Agus. . : , . .