(1997). Engineering Economy E. Paul Degarmo [et Al.]. Prentice-Hall.
Chicago Style (17th ed.) CitationEngineering Economy E. Paul Degarmo [et Al.]. Prentice-Hall, 1997.
ציטוט MLAEngineering Economy E. Paul Degarmo [et Al.]. Prentice-Hall, 1997.
אזהרה: ציטוטים אלה לעיתים לא מדויקים ב 100%.