APA (7e ed.) Bronvermelding

INTERNATIONAL LABOUR OFFICE. (1977). INTRODUCTION TO WORKS STUDY (REV. ED.). INTERNATIONAL LABOUR ORGANIZATION.

Chicago (17e ed.) Bronvermelding

INTERNATIONAL LABOUR OFFICE. INTRODUCTION TO WORKS STUDY. REV. ED. GENEVA: INTERNATIONAL LABOUR ORGANIZATION, 1977.

MLA (9e ed.) Bronvermelding

INTERNATIONAL LABOUR OFFICE. INTRODUCTION TO WORKS STUDY. REV. ED. INTERNATIONAL LABOUR ORGANIZATION, 1977.