(1979). Physical science (2nd ed.). McGraw-Hill.
Cita Chicago (17th ed.)Physical Science. 2nd ed. New York: McGraw-Hill, 1979.
Cita MLA (9th ed.)Physical Science. 2nd ed. McGraw-Hill, 1979.
Atenció: Aquestes cites poden no estar 100% correctes.
(1979). Physical science (2nd ed.). McGraw-Hill.
Cita Chicago (17th ed.)Physical Science. 2nd ed. New York: McGraw-Hill, 1979.
Cita MLA (9th ed.)Physical Science. 2nd ed. McGraw-Hill, 1979.