APA aipamena

Im Jeong-seop. (2011). Economy TOEIC: Actual tests. TP. HCM: Tổng hợp.

Chicago Style aipamena

Im Jeong-seop. Economy TOEIC: Actual Tests. TP. HCM: Tổng hợp, 2011.

MLA aipamena

Im Jeong-seop. Economy TOEIC: Actual Tests. TP. HCM: Tổng hợp, 2011.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.