Gaya APA
Proceedings of The Twenty-Second Session Guangzhou, China, 11 November - 21 November 1985 Part II. ().
Bangkok, Thailand:
CCOP.
Gaya MLA
Proceedings of The Twenty-Second Session Guangzhou, China, 11 November - 21 November 1985 Part II.
.
Bangkok, Thailand:
CCOP,
.
.