Gaya APA
Purcel, E., J. et al. (1987).
Calculus With Analytic Geometry (Kelima).
London:
Prentce Hall International Editions.
Gaya MLA
Purcel, E., J. et al..
Calculus With Analytic Geometry.
Kelima
London:
Prentce Hall International Editions,
1987.
Text.