50 most frequently asked questions about the national language /
Linguistic Society of the Philippines.
APA Citation
Linguistic Society of the Philippines. (1971). 50 most frequently asked questions about the national language. [Quezon City?]: The Society.
MLA Citation
Linguistic Society of the Philippines. 50 Most Frequently Asked Questions About the National Language. [Quezon City?]: The Society, 1971.
Warning: These citations may not always be complete (especially for serials).