Gaya APA
Hariyanto, Sugeng. (2006).
English Business Correspondence : A Practical Guide for Business and Secretarial Students and Professional Secretaries (Cet.ke-1).
Yogyakarta:
Kanisius.
Gaya Chicago
Hariyanto, Sugeng.
English Business Correspondence : A Practical Guide for Business and Secretarial Students and Professional Secretaries.
Cet.ke-1
Yogyakarta:
Kanisius,
2006.
Text.
Gaya MLA
Hariyanto, Sugeng.
English Business Correspondence : A Practical Guide for Business and Secretarial Students and Professional Secretaries.
Cet.ke-1
Yogyakarta:
Kanisius,
2006.
Text.
Gaya Turabian
Hariyanto, Sugeng.
English Business Correspondence : A Practical Guide for Business and Secretarial Students and Professional Secretaries.
Cet.ke-1
Yogyakarta:
Kanisius,
2006.
Print.