Gaya APA
Certo, Samuael. (1995).
Human relations today : concepts and skills .
Chicgo:
Irwn.
Gaya Chicago
Certo, Samuael.
Human relations today : concepts and skills.
Chicgo:
Irwn,
1995.
Text.
Gaya MLA
Certo, Samuael.
Human relations today : concepts and skills.
Chicgo:
Irwn,
1995.
Text.
Gaya Turabian
Certo, Samuael.
Human relations today : concepts and skills.
Chicgo:
Irwn,
1995.
Print.