APA (7th ed.) Citation

Premachandra, I. (1998). A simplified guide to Excel. Postgraduate Institute of Management.

Chicago Style (17th ed.) Citation

Premachandra, I.M. A Simplified Guide to Excel. Colombo: Postgraduate Institute of Management, 1998.

MLA (9th ed.) Citation

Premachandra, I.M. A Simplified Guide to Excel. Postgraduate Institute of Management, 1998.

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