Cita APA (7a ed.)

(1976). Traits & Topics. Scott, Foresman and Company.

Cita Chicago Style (17a ed.)

Traits & Topics. Estados Unidos: Scott, Foresman and Company, 1976.

Cita MLA (9a ed.)

Traits & Topics. Scott, Foresman and Company, 1976.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.