APA

Gray H. B., . (1964). Electrons and chemical bonding. New York [u.a.]: Benjamin.

Chicago

Gray Harry B, . 1964. Electrons and chemical bonding. New York [u.a.]: Benjamin.

Harvard

Gray H. B., . (1964). Electrons and chemical bonding. New York [u.a.]: Benjamin.

MLA

Gray Harry B, . Electrons and chemical bonding. New York [u.a.]: Benjamin. 1964.