Gaya APA
Heyel, Carl.. (1984).
The foreman : supervisor 's handbook, 5th ed. (5th.ed.).
San Francisco:
Van Nostrand Reinhold.
Gaya Chicago
Heyel, Carl..
The foreman : supervisor 's handbook, 5th ed..
5th.ed.
San Francisco:
Van Nostrand Reinhold,
1984.
Text.
Gaya MLA
Heyel, Carl..
The foreman : supervisor 's handbook, 5th ed..
5th.ed.
San Francisco:
Van Nostrand Reinhold,
1984.
Text.
Gaya Turabian
Heyel, Carl..
The foreman : supervisor 's handbook, 5th ed..
5th.ed.
San Francisco:
Van Nostrand Reinhold,
1984.
Print.