Riegelman, R. K. H. p. (1996). Studying a study and testing a test: Hoe to read the health science literature (3rd-ed.). Little, Brown and company.

Riegelman, Richard K. Hirsch,Robert p. Studying a Study and Testing a Test: Hoe to Read the Health Science Literature. 3rd-ed. New york: Little, Brown and company, 1996.

Riegelman, Richard K. Hirsch,Robert p. Studying a Study and Testing a Test: Hoe to Read the Health Science Literature. 3rd-ed. Little, Brown and company, 1996.