APA Style
Turnquist, J, B, , L, ,, P, K.
(1996).
TRACTORS AND THEIR POWER UNITS
(
4)
.
U. S. A:
ASAE.
MLA Style
Turnquist, John, B., , Liljedahl, ,, Paui, K..
"TRACTORS AND THEIR POWER UNITS".
4
U. S. A:
ASAE,
1996.
BOOK.