Gaya APA
R.Drake, G. (1981).
Small Gasoline Engines Maintenance Troubleshooting, and Repair .
Reston,Virginia:
Reston Publishing Company.
Gaya MLA
R.Drake, George.
"Small Gasoline Engines Maintenance Troubleshooting, and Repair".
Reston,Virginia:
Reston Publishing Company,
1981.
Monograf.