Geddes, G. (1986). Changes of state. Coteau books.
Cita Chicago Style (17a ed.)Geddes, Gary. Changes of State. Canadá: Coteau books, 1986.
Cita MLA (9a ed.)Geddes, Gary. Changes of State. Coteau books, 1986.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.