Não informado. (1969). Industrial Lubrication and Tribology. Petersen Publishing.
Chicago (17e ed.) BronvermeldingNão informado. Industrial Lubrication and Tribology. Droitwich, Inglaterra: Petersen Publishing, 1969.
MLA (8e ed.) BronvermeldingNão informado. Industrial Lubrication and Tribology. Petersen Publishing, 1969.
Let op: Deze citaties zijn niet altijd 100% accuraat.