Bǣp sō̜n ʻān phāsā Lāo :
san pathom pi thī 2 = Lao second grade.

APA Citation

(1981). Bǣp sō̜n ʻān phāsā Lāo: san pathom pi thī 2 = Lao second grade. [Jackson, Michigan]: Pragmatics International, Inc..

MLA Citation

Bǣp Sō̜n ʻān Phāsā Lāo: San Pathom Pi Thī 2 = Lao Second Grade. [Jackson, Michigan]: Pragmatics International, Inc., 1981.

Warning: These citations may not always be complete (especially for serials).