PW Allen, P. t. &. B. S. (1977). A STUDY ON COMPETITION BETWEEN NATURAL AND SYNTHETIC RUBBER: : THE TECHNO ECONOMIC POTENTIAL OF NR IN MAJOR END USES. MRRDB.
Παραπομπή σε μορφή Chicago (17η εκδ.)PW Allen, P.O thomas & BC Skhar. A STUDY ON COMPETITION BETWEEN NATURAL AND SYNTHETIC RUBBER: : THE TECHNO ECONOMIC POTENTIAL OF NR IN MAJOR END USES. MRRDB, 1977.
Παραπομπή σε μορφή MLA (8th εκδ.)PW Allen, P.O thomas & BC Skhar. A STUDY ON COMPETITION BETWEEN NATURAL AND SYNTHETIC RUBBER: : THE TECHNO ECONOMIC POTENTIAL OF NR IN MAJOR END USES. MRRDB, 1977.
Πρόσοχή: Οι παραπομπές μπορεί να μην είναι 100% ακριβείς.