APA Style

ROPER, N. (1996). Prinsip-prinsip Keperawatan (1). Yogyakarta: Yayasan Essentia Medica.

MLA Style

ROPER, NANCY. "Prinsip-prinsip Keperawatan". 1 Yogyakarta: Yayasan Essentia Medica, 1996. Text.