Gaya APA
Engine and Tractor Power. (1986).
Boston:
PWS Publishers.
Gaya Chicago
Engine and Tractor Power.
.
Boston:
PWS Publishers,
1986.
.
Gaya MLA
Engine and Tractor Power.
.
Boston:
PWS Publishers,
1986.
.
Gaya Turabian
Engine and Tractor Power.
Boston:
PWS Publishers,
1986.
.