APA Style
HARTONO, Petrus G.. (1952).
The unknown Lincoln .
New York:
Pocket Books.
Chicago Style
HARTONO, Petrus G..
The unknown Lincoln.
New York:
Pocket Books,
1952.
Buku.
MLA Style
HARTONO, Petrus G..
The unknown Lincoln.
New York:
Pocket Books,
1952.
Buku.
Turabian Style
HARTONO, Petrus G..
The unknown Lincoln.
New York:
Pocket Books,
1952.
Buku.