Cita APA (7th ed.)

BARROW, G. M. (1969). Understanding Chemistry: A one volume programmed supplement. W A Benjamin.

Cita Chicago (17th ed.)

BARROW, Gordon M. Understanding Chemistry: A One Volume Programmed Supplement. New York: W A Benjamin, 1969.

Cita MLA (9th ed.)

BARROW, Gordon M. Understanding Chemistry: A One Volume Programmed Supplement. W A Benjamin, 1969.