APA aipamena

Higginson, J. H. (1913). Tariffs at work: An outline of practical tariff administration, with special reference to the United States and Canada. King.

Chicago Style aipamena

Higginson, John Hedley. Tariffs at Work: An Outline of Practical Tariff Administration, with Special Reference to the United States and Canada. Lond.: King, 1913.

MLA aipamena

Higginson, John Hedley. Tariffs at Work: An Outline of Practical Tariff Administration, with Special Reference to the United States and Canada. King, 1913.