Gaya APA
Harshbarger, R, J. (1989).
Finite mathematics: for management, life, and social sciences (3rd ed.).
America:
DC. Health and Company.
Gaya MLA
Harshbarger, Ronald, J..
"Finite mathematics: for management, life, and social sciences".
3rd ed.
America:
DC. Health and Company,
1989.
Text.