Gaya APA
England, W, B., Leenders, M, R. (1978).
Purchasing and Materials Management .
India:
D.B. Taraporevala Sons & Co. Private LTD.
Gaya MLA
England, Wilbur, B.., Leenders, Michiel, R..
"Purchasing and Materials Management".
India:
D.B. Taraporevala Sons & Co. Private LTD,
1978.
Text.