Clayton, G. E., & Giesbrecht, M. G. (1995). A Guide to Everyday Economic Statistics (3rd ed.). ওৎরিহ/গপএৎধ-িঐরষষ.
Cita Chicago (17th ed.)Clayton, Gary E., i Martin Gerhard Giesbrecht. A Guide to Everyday Economic Statistics. 3rd ed. Boston: ওৎরিহ/গপএৎধ-িঐরষষ, 1995.
Cita MLA (9th ed.)Clayton, Gary E., i Martin Gerhard Giesbrecht. A Guide to Everyday Economic Statistics. 3rd ed. ওৎরিহ/গপএৎধ-িঐরষষ, 1995.
Atenció: Aquestes cites poden no estar 100% correctes.