APA (7th ed.) Citation

(1986). Specification for ground rock - phosphate (fertilizer grade). Sri Lanka Standards Institution.

Chicago Style (17th ed.) Citation

Specification for Ground Rock - Phosphate (fertilizer Grade). Colombo: Sri Lanka Standards Institution, 1986.

MLA (9th ed.) Citation

Specification for Ground Rock - Phosphate (fertilizer Grade). Sri Lanka Standards Institution, 1986.

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