by Theresa M. Valiga, Helen J. Streubert Hardcover, 226 Pages, Published 1991 by Springer Publishing Co Inc ISBN-10: 0826171508, ISBN-13: 9780826171504
by Sheila Grossman, Theresa M. Valiga Paperback, 229 Pages, Published 2008 by F.A. Davis Company, 3rd Revised edition ISBN-10: 0803620454, ISBN-13: 9780803620452