Styl cytowania APA

Mitchell, E. (1970). Businessman's guide to letter - writing and the law on letters. Business books.

Styl cytowania Chicago

Mitchell, Ewan. Businessman's Guide to Letter - Writing and the Law on Letters. London: Business books, 1970.

Styl cytowania MLA

Mitchell, Ewan. Businessman's Guide to Letter - Writing and the Law on Letters. Business books, 1970.