Barden, Angela (2000) Heart of the Matter: Agarwood Use and Trade and CITES Implementation for Aquilaria malaccensis[1]Lưu trữ 2007-09-27 tại Wayback Machine TRAFFIC International, Cambridge, ISBN 1-85850-177-6
Barden, Angela (2000) Heart of the Matter: Agarwood Use and Trade and CITES Implementation for Aquilaria malaccensis[1]Lưu trữ 2007-09-27 tại Wayback Machine TRAFFIC International, Cambridge, ISBN 1-85850-177-6