APA-viite (7. p.)

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

Chicago-viite (17. p.)

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

MLA-viite (9. p.)

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

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