(1998). If laughter's gone [poem]. ...Papers, etc..
Chicago Style aipamena"If Laughter's Gone [poem]." ...Papers, Etc. 1998.
MLA aipamena"If Laughter's Gone [poem]." ...Papers, Etc., 1998.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.
APA aipamena