APA Style
A.Nugroho, A.
(2001).
Fungsi Rasio Alfred North Whitehead
.
Yogyakarta ; Indonesia:
kanisius.
MLA Style
A.Nugroho, Alois.
"Fungsi Rasio Alfred North Whitehead".
Yogyakarta ; Indonesia:
kanisius,
2001.
Textbook.