Gaya APA
Bacon, D., hens, R, S.
(1981).
Mechanical sciense for higher technicians 4/5
.
London:
Buterworths.
Gaya MLA
Bacon, DH., hens, RC, Step.
"Mechanical sciense for higher technicians 4/5".
London:
Buterworths,
1981.
Text.