Royston & Jurina Pieei. (2010). Bagaimanakah keadaannya?: Sindrom down. Institut Terjemahan Negara Malaysia.
Chicago Style (17th ed.) CitationRoyston and Jurina Pieei. Bagaimanakah Keadaannya?: Sindrom Down. Kuala Lumpur: Institut Terjemahan Negara Malaysia, 2010.
MLA (8th ed.) CitationRoyston and Jurina Pieei. Bagaimanakah Keadaannya?: Sindrom Down. Institut Terjemahan Negara Malaysia, 2010.
Warning: These citations may not always be 100% accurate.