Gaya APA

Gullo, L, J. (2010). Nursing theories and nursing practice (3rd ed). PURALINGGA: PT. NUANSA FAJAR CEMERLANG.

Gaya MLA

Gullo, Louis, J.. "Nursing theories and nursing practice". 3rd ed PURALINGGA: PT. NUANSA FAJAR CEMERLANG, 2010. Text.