APA aipamena

MIKULAK RAYMOND J. (1991). FIRST CLASS SERVICE: WORKBOOK 1. QUALITY RESOURCES.

Chicago Style aipamena

MIKULAK RAYMOND J. FIRST CLASS SERVICE: WORKBOOK 1. NEW YORK: QUALITY RESOURCES, 1991.

MLA aipamena

MIKULAK RAYMOND J. FIRST CLASS SERVICE: WORKBOOK 1. QUALITY RESOURCES, 1991.