APA (7th ed.) Citation

Ijas. (1990). Model business letters. S.S. Mubaruk & Brother.

Chicago Style (17th ed.) Citation

Ijas. Model Business Letters. Singapore: S.S. Mubaruk & Brother, 1990.

MLA (8th ed.) Citation

Ijas. Model Business Letters. S.S. Mubaruk & Brother, 1990.

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