APA
Fry R. H. G. &. B. J. E., . (1988). Manual of commercial correspondence. Wheeler, Allahabad: .
Chicago
Fry Roland Hume G & Bayley J E, . 1988. Manual of commercial correspondence. Wheeler, Allahabad: .
Harvard
Fry R. H. G. &. B. J. E., . (1988). Manual of commercial correspondence. Wheeler, Allahabad: .
MLA
Fry Roland Hume G & Bayley J E, . Manual of commercial correspondence. Wheeler, Allahabad: . 1988.