Carranza, C. C. (1999). Bureau of Customs: 21st century ship. Kabayan.
Cita Chicago (17th ed.)Carranza, Christine C. "Bureau of Customs: 21st Century Ship." Kabayan 1999.
Cita MLA (9th ed.)Carranza, Christine C. "Bureau of Customs: 21st Century Ship." Kabayan, 1999.
Atenció: Aquestes cites poden no estar 100% correctes.