Robles, G. S., & Sand, A. (1972). Philippine nursing law, jurisprudence and ethics (6th ed.). Professionals Pub.
Lua i Stíl Chicago (17ú heag.)Robles, Gonzalo S., agus Annie Sand. Philippine Nursing Law, Jurisprudence and Ethics. 6th ed. Manila: Professionals Pub, 1972.
Lua MLA (9ú heag.)Robles, Gonzalo S., agus Annie Sand. Philippine Nursing Law, Jurisprudence and Ethics. 6th ed. Professionals Pub, 1972.
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