Gaya APA
Baiquni, M. et al (2017).
Ecotourism Destinations in Archipelago Countries (Cet.2).
Yogyakarta:
Gadjah Mada University Press.
Gaya MLA
Baiquni, Muhammad. et al.
"Ecotourism Destinations in Archipelago Countries".
Cet.2
Yogyakarta:
Gadjah Mada University Press,
2017.
Textbook.