APA
Punjab Board of Economic Inquary, Punjab Board of Economic Inquary, . (1924). Questionnaire for economic inquiries. : .
Chicago
Punjab Board of Economic Inquary, Punjab Board of Economic Inquary, . 1924. Questionnaire for economic inquiries. : .
Harvard
Punjab Board of Economic Inquary, Punjab Board of Economic Inquary, . (1924). Questionnaire for economic inquiries. : .
MLA
Punjab Board of Economic Inquary, Punjab Board of Economic Inquary, . Questionnaire for economic inquiries. : . 1924.
