Hill. (2001). 365 pelan tindakan positif. Thinker's Library.
Chicago Style (17th ed.) CitationHill. 365 Pelan Tindakan Positif. Batu Caves: Thinker's Library, 2001.
MLA (8th ed.) CitationHill. 365 Pelan Tindakan Positif. Thinker's Library, 2001.
Warning: These citations may not always be 100% accurate.