Gaya APA
Statistics for Research. (2004).
New York:
Wiley-Interscience.
Gaya Chicago
Statistics for Research.
Third Edition.
New York:
Wiley-Interscience,
2004.
Buku.
Gaya MLA
Statistics for Research.
Third Edition.
New York:
Wiley-Interscience,
2004.
Buku.
Gaya Turabian
Statistics for Research.
New York:
Wiley-Interscience,
2004.
Buku.