APA-viite (7. p.)

RAUM ELIZABETH. (2019). THE HISTORY OF TELEPHONE (2018 Ed.). HEINEMANN LIBRARY.

Chicago-viite (17. p.)

RAUM ELIZABETH. THE HISTORY OF TELEPHONE. 2018 Ed. MINNESOTA: HEINEMANN LIBRARY, 2019.

MLA-viite (9. p.)

RAUM ELIZABETH. THE HISTORY OF TELEPHONE. 2018 Ed. HEINEMANN LIBRARY, 2019.