Dyfyniad APA

Lewis, B. T. (1973). Facilities and plant engineering handbook. Mc Graw Hill Book company.

Dyfyniad Arddull Chicago

Lewis, B T. Facilities and Plant Engineering Handbook. NewYork: Mc Graw Hill Book company, 1973.

Dyfyniad MLA

Lewis, B T. Facilities and Plant Engineering Handbook. Mc Graw Hill Book company, 1973.

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.