Clayton, G. E., & Giesbrecht, M. G. (1997). A guide to everyday economic statistics (4th ed.). Boston: McGraw-Hill Irwin.
Trích dẫn kiểu ChicagoClayton, Gary E., và Martin Gerhard Giesbrecht. A Guide to Everyday Economic Statistics. 4th ed. Boston: McGraw-Hill Irwin, 1997.
ציטוט MLAClayton, Gary E., và Martin Gerhard Giesbrecht. A Guide to Everyday Economic Statistics. 4th ed. Boston: McGraw-Hill Irwin, 1997.
אזהרה: ציטוטים אלה לעיתים לא מדויקים ב 100%.