Institut Penilaian Negara. (2011). Kempen derma darah 2011 [: 9 November 2011. Institut Penilaian Negara.
Chicago Style (17th ed.) CitationInstitut Penilaian Negara. Kempen Derma Darah 2011 [: 9 November 2011. Kajang: Institut Penilaian Negara, 2011.
MLA (9th ed.) CitationInstitut Penilaian Negara. Kempen Derma Darah 2011 [: 9 November 2011. Institut Penilaian Negara, 2011.
Warning: These citations may not always be 100% accurate.