Gaya APA
Bernhardt, Karl S.. (1964).
Discipline and child guidance / Karl S. Bernhardt .
:
New York : McGraw-Hill.
Gaya Chicago
Bernhardt, Karl S..
Discipline and child guidance / Karl S. Bernhardt.
:
New York : McGraw-Hill,
1964.
Buku.
Gaya MLA
Bernhardt, Karl S..
Discipline and child guidance / Karl S. Bernhardt.
:
New York : McGraw-Hill,
1964.
Buku.
Gaya Turabian
Bernhardt, Karl S..
Discipline and child guidance / Karl S. Bernhardt.
:
New York : McGraw-Hill,
1964.
Buku.