APA (7th ed.) Citation

Rupesinghe, S. A. P., & Dharmasiri, N. (1987). Notes on purchasing and materials management. Sri Lanka Institute of Development Administration.

Chicago Style (17th ed.) Citation

Rupesinghe, S. A. P., and Nimal Dharmasiri. Notes on Purchasing and Materials Management. Colombo: Sri Lanka Institute of Development Administration, 1987.

MLA (9th ed.) Citation

Rupesinghe, S. A. P., and Nimal Dharmasiri. Notes on Purchasing and Materials Management. Sri Lanka Institute of Development Administration, 1987.