Gaya APA
Gresham,Robert, . (2009).
Lubrication and Maintenance of Industrial Machinery .
Franch:
Society of Tribologists and Lubrication Engineers.
Gaya MLA
Gresham,Robert, .
"Lubrication and Maintenance of Industrial Machinery".
Franch:
Society of Tribologists and Lubrication Engineers,
2009.
Text.