Phūmisāt khamsap phāsā Thai thin nai Čhangwat Phētchabūn /
Somsong Burutphat = Linguistic geography of the Thai dialects in Petchaboon : a lexical study / Somsonge Burusphat.
APA Citation
Somsonge Burusphat, 1. (25351992). Phūmisāt khamsap phāsā Thai thin nai Čhangwat Phētchabūn. [Bangkok]: Sathāban Wičhai Phāsā læ Watthanatham phư̄a Phatthanā Chonnabot, Mahāwitthayālai Mahidon.
MLA Citation
Somsonge Burusphat, 1953-. Phūmisāt Khamsap Phāsā Thai Thin Nai Čhangwat Phētchabūn. [Bangkok]: Sathāban Wičhai Phāsā læ Watthanatham phư̄a Phatthanā Chonnabot, Mahāwitthayālai Mahidon, 25351992.
Warning: These citations may not always be complete (especially for serials).