APA (7th ed.) Citation

Casayuran, M. B. (1989). Barter trade system urged. Manila Bulletin.

Chicago Style (17th ed.) Citation

Casayuran, Mario B. "Barter Trade System Urged." Manila Bulletin 1989.

MLA (9th ed.) Citation

Casayuran, Mario B. "Barter Trade System Urged." Manila Bulletin, 1989.

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