Cita APA (7th ed.)

Townsend, A. (1992). Maintenance of process plant. Institution of Chemical Engineers.

Cita Chicago (17th ed.)

Townsend, Arthur. Maintenance of Process Plant. London, England, United Kingdom: Institution of Chemical Engineers, 1992.

Cita MLA (9th ed.)

Townsend, Arthur. Maintenance of Process Plant. Institution of Chemical Engineers, 1992.