Tungpalan, L. M. B. (1997). Promises to keep: Return to nursing. Soller Press.
Chicagoスタイル(17版)引用形式Tungpalan, Luz M. Buenavista. Promises to Keep: Return to Nursing. Quezon City: Soller Press, 1997.
MLA(9版)引用形式Tungpalan, Luz M. Buenavista. Promises to Keep: Return to Nursing. Soller Press, 1997.
警告: この引用は必ずしも正確ではありません.