APA aipamena

Unabia, C. C. (2000). The origin of Walu. no date of publication].

Chicago Style aipamena

Unabia, Carmen Ching. The Origin of Walu. [no place of publication: no date of publication], 2000.

MLA aipamena

Unabia, Carmen Ching. The Origin of Walu. no date of publication], 2000.