APA
PARK H., Endah Nawang, . (2020). Why? People : Issac Newton. Jakarta: Elex Media Komputindo.
Chicago
PARK Hyungjong, Endah Nawang, . 2020. Why? People : Issac Newton. Jakarta: Elex Media Komputindo.
Harvard
PARK H., Endah Nawang, . (2020). Why? People : Issac Newton. Jakarta: Elex Media Komputindo.
MLA
PARK Hyungjong, Endah Nawang, . Why? People : Issac Newton. Jakarta: Elex Media Komputindo. 2020.