Gaya APA
WHITEHEAD, A, N., NUGROHO, A, A, [.
(2003).
Fungsi rasio
.
Yogyakarta:
Kanisius.
Gaya MLA
WHITEHEAD, Alfred, North., NUGROHO, Alois, A., [penerj.].
"Fungsi rasio".
Yogyakarta:
Kanisius,
2003.
Buku.