Gaya APA
Floria A.E, Alles W.F, Stafford G.T. (1979).
Safety Education (Ed. 4).
New York:
McGraw-Hill Book Company.
Gaya Chicago
Floria A.E, Alles W.F, Stafford G.T.
Safety Education.
Ed. 4
New York:
McGraw-Hill Book Company,
1979.
Text.
Gaya MLA
Floria A.E, Alles W.F, Stafford G.T.
Safety Education.
Ed. 4
New York:
McGraw-Hill Book Company,
1979.
Text.
Gaya Turabian
Floria A.E, Alles W.F, Stafford G.T.
Safety Education.
Ed. 4
New York:
McGraw-Hill Book Company,
1979.
Print.