APA
(1961). McGraw-Hill yearbook of science and technology. New York, USA: McGraw-Hill Book Company.
Chicago
1961. McGraw-Hill yearbook of science and technology. New York, USA: McGraw-Hill Book Company.
Harvard
(1961). McGraw-Hill yearbook of science and technology. New York, USA: McGraw-Hill Book Company.
MLA
McGraw-Hill yearbook of science and technology. New York, USA: McGraw-Hill Book Company. 1961.
