Robert Heath. (1999). Manual buku panduan 1. New Industrial Road: Singapore: Times Publishing.
Chicago Style CitationRobert Heath. Manual Buku Panduan 1. New Industrial Road: Singapore: Times Publishing, 1999.
MLA CitationRobert Heath. Manual Buku Panduan 1. New Industrial Road: Singapore: Times Publishing, 1999.
Warning: These citations may not always be 100% accurate.