Gaya APA

Setyo Purwendro , Nurhidayat. (). . : .

Gaya Chicago

Setyo Purwendro , Nurhidayat. . : , . .

Gaya MLA

Setyo Purwendro , Nurhidayat. . : , . .

Gaya Turabian

Setyo Purwendro , Nurhidayat. . : , . .