Citazione Stile APA (7a Edizione)

Tungpalan, L. M. B. (1997). Promises to keep: Return to nursing. Soller Press.

Citazione stile Chigago Style (17a edizione)

Tungpalan, Luz M. Buenavista. Promises to Keep: Return to Nursing. Quezon City: Soller Press, 1997.

Citatione MLA (9a ed.)

Tungpalan, Luz M. Buenavista. Promises to Keep: Return to Nursing. Soller Press, 1997.