Gaya APA
Christensen, Larry B.. (1988).
Experimental methodology (4th ed).
Boston:
Allyn and Bacon.
Gaya Chicago
Christensen, Larry B..
Experimental methodology.
4th ed
Boston:
Allyn and Bacon,
1988.
Text.
Gaya MLA
Christensen, Larry B..
Experimental methodology.
4th ed
Boston:
Allyn and Bacon,
1988.
Text.
Gaya Turabian
Christensen, Larry B..
Experimental methodology.
4th ed
Boston:
Allyn and Bacon,
1988.
Print.