Gaya APA

Hungler, Bernadette P., POLIT, Denise F.. (1999). Nursing Research: principles and methods Sixth Edition (6). Philadelphia: Lippincott Williams & Wilkins.

Gaya Chicago

Hungler, Bernadette P., POLIT, Denise F.. Nursing Research: principles and methods Sixth Edition. 6 Philadelphia: Lippincott Williams & Wilkins, 1999. Text.

Gaya MLA

Hungler, Bernadette P., POLIT, Denise F.. Nursing Research: principles and methods Sixth Edition. 6 Philadelphia: Lippincott Williams & Wilkins, 1999. Text.

Gaya Turabian

Hungler, Bernadette P., POLIT, Denise F.. Nursing Research: principles and methods Sixth Edition. 6 Philadelphia: Lippincott Williams & Wilkins, 1999. Print.