Gaya APA

Zoysa, M, J, D. (1992). Health & tea a convention to mark 125 years of ceylon tea the proceedings . Colombo: National institute of child health and human development.

Gaya MLA

Zoysa, Michael, J, De. "Health & tea a convention to mark 125 years of ceylon tea the proceedings". Colombo: National institute of child health and human development, 1992. Text.