APA
"Punjab E. a. s. o., "Punjab E. a. s. o., . (1971). Municipal statistical yearbook. : .
Chicago
"Punjab Economic and statistical organisation", "Punjab Economic and statistical organisation", . 1971. Municipal statistical yearbook. : .
Harvard
"Punjab E. a. s. o., "Punjab E. a. s. o., . (1971). Municipal statistical yearbook. : .
MLA
"Punjab Economic and statistical organisation", "Punjab Economic and statistical organisation", . Municipal statistical yearbook. : . 1971.
