Gaya APA
LEONHARD, K., BERMAN, R, [. (1979).
The classification of endogenous psychoses (5th ed).
New York:
Irvington.
Gaya MLA
LEONHARD, Karl., BERMAN, Russell, [penerj.].
"The classification of endogenous psychoses".
5th ed
New York:
Irvington,
1979.
Buku.