National gas survey.
Preliminary draft issued in advance of Commission approval.
APA Citation
United States. Federal Power Commission. (1973). National gas survey: Preliminary draft issued in advance of Commission approval. [Washington?].
MLA Citation
United States. Federal Power Commission. National Gas Survey: Preliminary Draft Issued In Advance of Commission Approval. [Washington?], 1973.
Warning: These citations may not always be complete (especially for serials).