Gaya APA

Salas, S., Hille, E. (1982). Calculus one and several variables: with analytic geometry (4th ed). New York: John Willey and Sons.

Gaya MLA

Salas, SL.., Hille, Einar.. "Calculus one and several variables: with analytic geometry". 4th ed New York: John Willey and Sons, 1982. Printed Book.