Gaya APA
Indra, M, R.
(1990).
The 1945 constitution: A human creation.
.
Jakarta:
Jakarta Haji Masagung.
Gaya MLA
Indra, M., Ridhwan.
"The 1945 constitution: A human creation. ".
Jakarta:
Jakarta Haji Masagung,
1990.
Buku.