APA aipamena

Romulo, L. (2003). The Shell story in the Philippines. Pilipinas Shell Petroleum Corporation.

Chicago Style aipamena

Romulo, Liana. The Shell Story in the Philippines. Makati City: Pilipinas Shell Petroleum Corporation, 2003.

MLA aipamena

Romulo, Liana. The Shell Story in the Philippines. Pilipinas Shell Petroleum Corporation, 2003.

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