Gaya APA

Salas, S., Hille, E. (1984). Calculus One and Several variables Part II (3rd Ed.). United States of America: John Wiley & Sons, Inc..

Gaya MLA

Salas, S.L.., Hille, Einar. "Calculus One and Several variables Part II". 3rd Ed. United States of America: John Wiley & Sons, Inc., 1984. Text.