Gaya APA
P.E, C, H., Nance, H. (1984).
THE FOREMAN/SUPERVISOR'S HANDBOOK .
United States of America:
VAN NOSTRAND REINHOLD COMPANY.
Gaya MLA
P.E, Carl, Heyel,., Nance, H.W..
"THE FOREMAN/SUPERVISOR'S HANDBOOK".
United States of America:
VAN NOSTRAND REINHOLD COMPANY,
1984.
Text.