APA (7th ed.) Citation

HASIBUAN, S. R. (1988). English for Specific Purposes: Economics. Gramedia.

Chicago Style (17th ed.) Citation

HASIBUAN, Sofia Rangkuti. English for Specific Purposes: Economics. Gramedia, 1988.

MLA (8th ed.) Citation

HASIBUAN, Sofia Rangkuti. English for Specific Purposes: Economics. Gramedia, 1988.

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