APA (7th ed.) Citation

S, A. (2011). ECONOMICS 1A for Senior High School Grade X Semester 1. ESIS.

Chicago Style (17th ed.) Citation

S, Alam. ECONOMICS 1A for Senior High School Grade X Semester 1. ESIS, 2011.

MLA (8th ed.) Citation

S, Alam. ECONOMICS 1A for Senior High School Grade X Semester 1. ESIS, 2011.

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