Παραπομπή APA
Wharton, F. R. (1949). Brown's ships' accounts and concise guide to ships' business (2nd ed.). Glasgow: Brown, Son & Ferguson.
Παραπομπή Chicago StyleWharton, Frederick Reginald. Brown's Ships' Accounts and Concise Guide to Ships' Business. 2nd ed. Glasgow: Brown, Son & Ferguson, 1949.
Παραπομπή MLAWharton, Frederick Reginald. Brown's Ships' Accounts and Concise Guide to Ships' Business. 2nd ed. Glasgow: Brown, Son & Ferguson, 1949.
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