Polit, Denise F.
Nursing research : principles and methods
J.B. Lippincott, 1987
 Buku Teks SO
Polit, Denise F.
Nursing research: principles and methods
Lippincott, 1999
 Buku Teks SO
Polit, Denise F.
Nursing research: principles and methods
Lippincott Williams & Wilkins, 2004
 Buku Teks SO
Seaman, Catherine H. C.
Research methods : for undergraduate students in nursing
Appleton Century Cropts, 1982
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Polit, Denise F.
Essentials of nursing research: methods, appraisal, and utilization
Lippincott Williams & Wilkins, 2006
 Buku Teks SO