Weatherfall, M. (1969). Scientific method: The fundamental principles of the physical and social sciences (1st.). Simon & Schuster.
Cita Chicago (17th ed.)Weatherfall, M. Scientific Method: The Fundamental Principles of the Physical and Social Sciences. 1st. New York: Simon & Schuster, 1969.
Cita MLA (9th ed.)Weatherfall, M. Scientific Method: The Fundamental Principles of the Physical and Social Sciences. 1st. Simon & Schuster, 1969.
Atenció: Aquestes cites poden no estar 100% correctes.