Gaya APA
Kuhlman, R, L. (1978).
Effective operator training for motorized equipment .
U.S.A:
Institute publishing division of internasional loss control institute.
Gaya MLA
Kuhlman, Raymond., L.
"Effective operator training for motorized equipment".
U.S.A:
Institute publishing division of internasional loss control institute,
1978.
Text.