Gaya APA

Adamson, Donald. (1997). INTERNATIONAL HOTEL ENGLISH (Pertama). USA: Prentice Hall.

Gaya Chicago

Adamson, Donald. INTERNATIONAL HOTEL ENGLISH. Pertama USA: Prentice Hall, 1997. Text.

Gaya MLA

Adamson, Donald. INTERNATIONAL HOTEL ENGLISH. Pertama USA: Prentice Hall, 1997. Text.

Gaya Turabian

Adamson, Donald. INTERNATIONAL HOTEL ENGLISH. Pertama USA: Prentice Hall, 1997. Print.