Joos,Martin. (1967). Five clocks. Harcourt.
Chicago Style aipamenaJoos,Martin. Five Clocks. New York: Harcourt, 1967.
MLA aipamenaJoos,Martin. Five Clocks. Harcourt, 1967.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.
Joos,Martin. (1967). Five clocks. Harcourt.
Chicago Style aipamenaJoos,Martin. Five Clocks. New York: Harcourt, 1967.
MLA aipamenaJoos,Martin. Five Clocks. Harcourt, 1967.