Jelaskan Rujukan dari Manik dalam bahasa melayu

Beck, Horace (1928) "Classification and Nomenclature of Beads and Pendants." Archaeologia 77. (Reprinted by Shumway Publishers York, PA 1981)

Dubin, Lois Sherr. North American Indian Jewelry and Adornment: From Prehistory to the Present. New York: Harry N. Abrams, 1999: 170-171. .

Dubin, Lois Sherr. The History of Beads: From 100,000 B.C. to the Present, Revised and Expanded Edition. New York: Harry N. Abrams, (2009). .