Technology and Livelihood Resource Center. Paggawa ng Sabon II [videorecording]. Technology and Livelihood Resource Center.
Chicago-referens (17:e uppl.)Technology and Livelihood Resource Center. Paggawa Ng Sabon II [videorecording]. Makati City: Technology and Livelihood Resource Center.
MLA-referens (9:e uppl.)Technology and Livelihood Resource Center. Paggawa Ng Sabon II [videorecording]. Technology and Livelihood Resource Center.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.