APA Style
Spielberger, Charles D.. (1972).
ANXIETY: Current Trends in Theory and Research (Edisi 1).
New York:
Academic Press.
Chicago Style
Spielberger, Charles D..
ANXIETY: Current Trends in Theory and Research.
Edisi 1
New York:
Academic Press,
1972.
Text.
MLA Style
Spielberger, Charles D..
ANXIETY: Current Trends in Theory and Research.
Edisi 1
New York:
Academic Press,
1972.
Text.
Turabian Style
Spielberger, Charles D..
ANXIETY: Current Trends in Theory and Research.
Edisi 1
New York:
Academic Press,
1972.
Print.