Gaya APA
Wolper, L, F., Pena, J, J. (1987).
Health care Administration: Principles and Practices .
Rockville:
An Aspen.
Gaya MLA
Wolper, Lawrence, F.., Pena, Jesus, J..
"Health care Administration: Principles and Practices".
Rockville:
An Aspen,
1987.
print.