APA (7th ed.) Citation

Nicholas, T. (1992). The executive's business letter book. Advantage Quest Publications.

Chicago Style (17th ed.) Citation

Nicholas, Ted. The Executive's Business Letter Book. Petaling Jaya: Advantage Quest Publications, 1992.

MLA (9th ed.) Citation

Nicholas, Ted. The Executive's Business Letter Book. Advantage Quest Publications, 1992.

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