Tariff and customs code (Rep. act no. 1937 as amended by Pres. decree no. 34).

Handbook on customs administration по Viduya, Jose T.

Court of Tax Appeals digest of customs and real property tax cases по Colon, Amado A.

Commentaries on the revised tariff and customs code of the Philippines (R.A. 1937, as amended by Presidential Decree no. 34)

Commentaries on the tariff and customs code of the Philippines (R.A. 1937, as amended) по Tejam, Montano A.

Tax guide for Filipinos and others going or residing abroad по Mamangun, Marina Caparas

Philippine Tariff Act of 1909,

Aranceles é instruccion de aduanas de Filipinas con las disposiciones que los reforman ó adicionan по Fragoso, Ricardo

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(viewed 23 May 2019)

The customs modernization and tariff act comments & cases по Andaya, Erwin C.

Corpus juris tariff and customs laws of the Philippines: statutes and administrative regulations по Nague, Ferdinand Asejo 1971-