APA-viite (7. p.)

GILLETT BILLY E. (1976). INTRODUCTION TO OPERATIONS RESEARCH. TATA MCGRAW-HILL PUBLISHING COMPANY LIMITED.

Chicago-viite (17. p.)

GILLETT BILLY E. INTRODUCTION TO OPERATIONS RESEARCH. NEW DELHI: TATA MCGRAW-HILL PUBLISHING COMPANY LIMITED, 1976.

MLA-viite (9. p.)

GILLETT BILLY E. INTRODUCTION TO OPERATIONS RESEARCH. TATA MCGRAW-HILL PUBLISHING COMPANY LIMITED, 1976.