Citace podle APA (7th ed.)

Philippines. National Book Development Board. (1999). 1999 NBDB directory of registrants (as of June 15, 1999). The Board.

Citace podle Chicago (17th ed.)

Philippines. National Book Development Board. 1999 NBDB Directory of Registrants (as of June 15, 1999). Quezon City: The Board, 1999.

Citace podle MLA (9th ed.)

Philippines. National Book Development Board. 1999 NBDB Directory of Registrants (as of June 15, 1999). The Board, 1999.

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