Gaya APA

1). Roit, Marsha. (2002). Open court. Professional development guide. texbook Manajemen 2002 . Columbus :: McGraw-Hill,.

Gaya Chicago

1). Roit, Marsha. Open court. Professional development guide. texbook Manajemen 2002. Columbus :: McGraw-Hill,, 2002. texbook Manajemen.

Gaya MLA

1). Roit, Marsha. Open court. Professional development guide. texbook Manajemen 2002. Columbus :: McGraw-Hill,, 2002. texbook Manajemen.

Gaya Turabian

1). Roit, Marsha. Open court. Professional development guide. texbook Manajemen 2002. Columbus :: McGraw-Hill,, 2002. texbook Manajemen.