APA

Pitiphat S., . (1992). Interaction of an Unknown Hill People in Northwestern Thailand With the Ancient Trade Along Silk Road. Osaka-JA: National Museum of Ethnology.

Chicago

Pitiphat Sumitr, . 1992. Interaction of an Unknown Hill People in Northwestern Thailand With the Ancient Trade Along Silk Road. Osaka-JA: National Museum of Ethnology.

Harvard

Pitiphat S., . (1992). Interaction of an Unknown Hill People in Northwestern Thailand With the Ancient Trade Along Silk Road. Osaka-JA: National Museum of Ethnology.

MLA

Pitiphat Sumitr, . Interaction of an Unknown Hill People in Northwestern Thailand With the Ancient Trade Along Silk Road. Osaka-JA: National Museum of Ethnology. 1992.