Cita APA (7a ed.)

Gillespie, H. (1998). ISO 9000 for the chemical process industry. McGraw-Hill.

Cita Chicago Style (17a ed.)

Gillespie, Hellen. ISO 9000 for the Chemical Process Industry. New York: McGraw-Hill, 1998.

Cita MLA (8a ed.)

Gillespie, Hellen. ISO 9000 for the Chemical Process Industry. McGraw-Hill, 1998.