APA-viite (7. p.)

SPENCER RICHARD H. (1983). PLANNING,IMPLEMENTATION & CONTROL IN PRODUCT TEST & ASSURANCE. PRENTICE -HALL INTERNATIONAL, INC.

Chicago-viite (17. p.)

SPENCER RICHARD H. PLANNING,IMPLEMENTATION & CONTROL IN PRODUCT TEST & ASSURANCE. NEW JERSEY, U.S.A: PRENTICE -HALL INTERNATIONAL, INC, 1983.

MLA-viite (9. p.)

SPENCER RICHARD H. PLANNING,IMPLEMENTATION & CONTROL IN PRODUCT TEST & ASSURANCE. PRENTICE -HALL INTERNATIONAL, INC, 1983.