APA (7th ed.) Citation

Sumardi, M. (1976). English for practical purposes. Bulan Bintang.

Chicago Style (17th ed.) Citation

Sumardi, Mulyanto. English for Practical Purposes. Bulan Bintang, 1976.

MLA (8th ed.) Citation

Sumardi, Mulyanto. English for Practical Purposes. Bulan Bintang, 1976.

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