Casin, P. B. A. (2009). A premier book fair turns 30. Manila Bulletin.
Chicagoスタイル(17版)引用形式Casin, Pam Brooke A. "A Premier Book Fair Turns 30." Manila Bulletin 2009.
MLA(9版)引用形式Casin, Pam Brooke A. "A Premier Book Fair Turns 30." Manila Bulletin, 2009.
警告: この引用は必ずしも正確ではありません.