Conning, A. M., & Marckwardt, A. M. (1982). Analysis of WFS data in Colombia, Panama, Paraguay, and Peru: Highlights from the CELADE Research and Training Seminar. International Statistical Institute ; World Fertility Survey.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Conning, Arthur M., و Albert M. Marckwardt. Analysis of WFS Data in Colombia, Panama, Paraguay, and Peru: Highlights from the CELADE Research and Training Seminar. Voorburg, Netherlands : London, UK: International Statistical Institute ; World Fertility Survey, 1982.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Conning, Arthur M., و Albert M. Marckwardt. Analysis of WFS Data in Colombia, Panama, Paraguay, and Peru: Highlights from the CELADE Research and Training Seminar. International Statistical Institute ; World Fertility Survey, 1982.