APA (7th ed.) Citation

Rathnayake, Y. (1998). Hand book of Drug abuse information 1993-1997. Research and publications division.

Chicago Style (17th ed.) Citation

Rathnayake, Y. Hand Book of Drug Abuse Information 1993-1997. Rajagiriya: Research and publications division, 1998.

MLA (9th ed.) Citation

Rathnayake, Y. Hand Book of Drug Abuse Information 1993-1997. Research and publications division, 1998.

Warning: These citations may not always be 100% accurate.