R.B., H.(2003).Scholars, travellers, and trade :the pioneer years of the National Museum of Antiquities in Leiden, 1818-1840 .New York:Routledge.
Gaya MLA
Halbertsma, R.B.."Scholars, travellers, and trade :the pioneer years of the National Museum of Antiquities in Leiden, 1818-1840".New York:Routledge,2003.Electronic Resource.