Gaya APA
Lesly, Philip - ed. (1950).
Handbook; Public relations .
United States of America:
Prentice-Hall.
Gaya Chicago
Lesly, Philip - ed.
Handbook; Public relations.
United States of America:
Prentice-Hall,
1950.
Text.
Gaya MLA
Lesly, Philip - ed.
Handbook; Public relations.
United States of America:
Prentice-Hall,
1950.
Text.
Gaya Turabian
Lesly, Philip - ed.
Handbook; Public relations.
United States of America:
Prentice-Hall,
1950.
Print.