Unabia, C. C. (2000). Walu and Higit. no date of publication].
Chicago Style aipamenaUnabia, Carmen Ching. Walu and Higit. [no place of publication: no date of publication], 2000.
MLA aipamenaUnabia, Carmen Ching. Walu and Higit. no date of publication], 2000.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.