Yap, J. D. L. (1994). A proposed campaign for Clara Ole' Preserves and Jellies.
Chicago-referens (17:e uppl.)Yap, Jennifer De Leon. A Proposed Campaign for Clara Ole' Preserves and Jellies. Thesis (BFA)--University of the Philippines Diliman, 1994.
MLA-referens (9:e uppl.)Yap, Jennifer De Leon. A Proposed Campaign for Clara Ole' Preserves and Jellies. 1994.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.