APA
Williams R. G., Mendes B., . (1975). Elements of taxation. London: Collier Macmillan.
Chicago
Williams Robert Glynne, Mendes B, . 1975. Elements of taxation. London: Collier Macmillan.
Harvard
Williams R. G., Mendes B., . (1975). Elements of taxation. London: Collier Macmillan.
MLA
Williams Robert Glynne, Mendes B, . Elements of taxation. London: Collier Macmillan. 1975.