Spiegel, Murray S., Lipschutz, Seymour, & Spellman, Dennis,
Vector Analysis Schaum's Outline Series (McGraw-Hill) 2nd Ed
2009. ISBN 978-0-07-161545-7.
DuChateau, Paul & Zachmann, David W, Partial Differential
Equations Schaum's Outline Series (McGraw-Hill) 1986. ISBN
0-07-017897-6
Spiegel, Murray R, & Liu, John, Mathematical HandBook of
Formulas and Tables Schaum's Outline Series (McGraw-Hill) 2nd
edition 1999. ISBN 0-07-038203-4. (Recommended, but any
mathematical handbook is allowed.)
References:
Advanced Engineering Mathematics by Peter V. O'Neil.
Thomson-Engineering; 6th edition, 2007. ISBN: 0-534-55208-0.
Advanced Engineering Mathematics by Dennis G. Zill and
Warren S. Wright. 5th Ed., 2014. Jones and Bartlett.
ISBN-13: 9781449691721.