APA Style
Spielberger, Charles. (2004).
Encyclopedia of Applied Psychology .
Amsterdam:
Elsevier Apllied Science Publishers.
Chicago Style
Spielberger, Charles.
Encyclopedia of Applied Psychology.
Amsterdam:
Elsevier Apllied Science Publishers,
2004.
Referensi.
MLA Style
Spielberger, Charles.
Encyclopedia of Applied Psychology.
Amsterdam:
Elsevier Apllied Science Publishers,
2004.
Referensi.
Turabian Style
Spielberger, Charles.
Encyclopedia of Applied Psychology.
Amsterdam:
Elsevier Apllied Science Publishers,
2004.
Referensi.