Gaya APA
Spock, Benyamin. (1962).
Problems of Parents .
Greenwich, CT:
Fawcett Publication.
Gaya Chicago
Spock, Benyamin.
Problems of Parents.
Greenwich, CT:
Fawcett Publication,
1962.
Text.
Gaya MLA
Spock, Benyamin.
Problems of Parents.
Greenwich, CT:
Fawcett Publication,
1962.
Text.
Gaya Turabian
Spock, Benyamin.
Problems of Parents.
Greenwich, CT:
Fawcett Publication,
1962.
Print.