APA-viite (7. p.)

RIGGS, J. L. (1897). PRODUCTION SYSTEMS: PLANNING ANALYSIS AND CONTROL. JOHN WILEY.

Chicago-viite (17. p.)

RIGGS, J L. PRODUCTION SYSTEMS: PLANNING ANALYSIS AND CONTROL. NEW-YORK: JOHN WILEY, 1897.

MLA-viite (9. p.)

RIGGS, J L. PRODUCTION SYSTEMS: PLANNING ANALYSIS AND CONTROL. JOHN WILEY, 1897.