Gaya APA
Brieger, N., dkk. (1987).
Business contracts: Materials for developing listening and speaking skills for the student of business english .
New York:
Prentice Hall.
Gaya Chicago
Brieger, N., dkk.
Business contracts: Materials for developing listening and speaking skills for the student of business english.
New York:
Prentice Hall,
1987.
Text.
Gaya MLA
Brieger, N., dkk.
Business contracts: Materials for developing listening and speaking skills for the student of business english.
New York:
Prentice Hall,
1987.
Text.
Gaya Turabian
Brieger, N., dkk.
Business contracts: Materials for developing listening and speaking skills for the student of business english.
New York:
Prentice Hall,
1987.
Print.