Cita APA (7a ed.)

Lacy-Thompson, T. (1991). INFORMIX-SQL: A tutorial and reference. Prentice-Hall.

Cita Chicago Style (17a ed.)

Lacy-Thompson, Tony. INFORMIX-SQL: A Tutorial and Reference. New York [etc.]: Prentice-Hall, 1991.

Cita MLA (9a ed.)

Lacy-Thompson, Tony. INFORMIX-SQL: A Tutorial and Reference. Prentice-Hall, 1991.