SPENCER, L. M. (1986). Evaluation design: Proving you made the difference. John Wiley & Sons, Ltd.
Chicago Style (17th ed.) CitationSPENCER, Lyle M. Evaluation Design: Proving You Made the Difference. John Wiley & Sons, Ltd, 1986.
MLA (8th ed.) CitationSPENCER, Lyle M. Evaluation Design: Proving You Made the Difference. John Wiley & Sons, Ltd, 1986.
Warning: These citations may not always be 100% accurate.