APA-viite (7. p.)

Roberts, E. V. (1988). Writing themes about literature. Prentice-Hall International.

Chicago-viite (17. p.)

Roberts, Edgar V. Writing Themes About Literature. Englewood Cliffs, N.J: Prentice-Hall International, 1988.

MLA-viite (8. p.)

Roberts, Edgar V. Writing Themes About Literature. Prentice-Hall International, 1988.