APA (7th ed.) Citation

(2010). G. C. E. (Advanced Level) Business Studies: Teachers' instructional manual - grade 13 (to be implemented from 2010). National Institute of Education.

Chicago Style (17th ed.) Citation

G. C. E. (Advanced Level) Business Studies: Teachers' Instructional Manual - Grade 13 (to Be Implemented from 2010). Maharagama: National Institute of Education, 2010.

MLA (9th ed.) Citation

G. C. E. (Advanced Level) Business Studies: Teachers' Instructional Manual - Grade 13 (to Be Implemented from 2010). National Institute of Education, 2010.

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