Puffer, R. R. (1950). Practical statistics in health and medical work. McGraw-Hill.
Citación estilo ChicagoPuffer, Ruth Rice. Practical Statistics in Health and Medical Work. New York: McGraw-Hill, 1950.
Cita MLAPuffer, Ruth Rice. Practical Statistics in Health and Medical Work. McGraw-Hill, 1950.
Warning: These citations may not always be 100% accurate.