APA-viite (7. p.)

BETTGER FRANK. (1982). HOW I RAISED MYSELF FROM FAILURE TO SUCCESS IN SELLING. SIMON & SCHUSTER INC.

Chicago-viite (17. p.)

BETTGER FRANK. HOW I RAISED MYSELF FROM FAILURE TO SUCCESS IN SELLING. NEW YORK: SIMON & SCHUSTER INC, 1982.

MLA-viite (9. p.)

BETTGER FRANK. HOW I RAISED MYSELF FROM FAILURE TO SUCCESS IN SELLING. SIMON & SCHUSTER INC, 1982.