Gaya APA

Adisubroto, U. (2021). Whale shark in the development of geopark and sustainable tourism in Gorontalo, Indonesia (Volume V No.3-December 2021). Jakarta: Kementerian PPN/Bappenas.

Gaya MLA

Adisubroto, Umar. "Whale shark in the development of geopark and sustainable tourism in Gorontalo, Indonesia". Volume V No.3-December 2021 Jakarta: Kementerian PPN/Bappenas, 2021. Text.