Gaya APA
Wilkinson, C. W., Clarke, Peter B., Wilkinson, Dorothy C. M.. (1980).
Communicating through Letters and Reports, 7th ed. (7th ed.).
Ontario:
Irwin.
Gaya Chicago
Wilkinson, C. W., Clarke, Peter B., Wilkinson, Dorothy C. M..
Communicating through Letters and Reports, 7th ed..
7th ed.
Ontario:
Irwin,
1980.
Text.
Gaya MLA
Wilkinson, C. W., Clarke, Peter B., Wilkinson, Dorothy C. M..
Communicating through Letters and Reports, 7th ed..
7th ed.
Ontario:
Irwin,
1980.
Text.
Gaya Turabian
Wilkinson, C. W., Clarke, Peter B., Wilkinson, Dorothy C. M..
Communicating through Letters and Reports, 7th ed..
7th ed.
Ontario:
Irwin,
1980.
Print.