Dyfyniad APA

NEWBY TONY. (1996). CUSTOMER SERVICE POCKETBOOK. RESEARC PRESS BUSINESS BOOKS.

Dyfyniad Arddull Chicago

NEWBY TONY. CUSTOMER SERVICE POCKETBOOK. NEW DELHI: RESEARC PRESS BUSINESS BOOKS, 1996.

Dyfyniad MLA

NEWBY TONY. CUSTOMER SERVICE POCKETBOOK. RESEARC PRESS BUSINESS BOOKS, 1996.

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.