[et.al.], H. P. K. (2020). Gadjah Mada Muda Keliling Dunia #2. Gadjah Mada University Press.
Chicago Style (17th ed.) Citation[et.al.], Halim Perdana Kusuma. Gadjah Mada Muda Keliling Dunia #2. Gadjah Mada University Press, 2020.
MLA (8th ed.) Citation[et.al.], Halim Perdana Kusuma. Gadjah Mada Muda Keliling Dunia #2. Gadjah Mada University Press, 2020.
Warning: These citations may not always be 100% accurate.