Citazione Stile APA (7a Edizione)

Clement, H. G. (1971). Philippine tourism: Re-examined. Philippine Government and the Philippine Chamber of Tourism.

Citazione stile Chigago Style (17a edizione)

Clement, Harry G. Philippine Tourism: Re-examined. [Manila]: Philippine Government and the Philippine Chamber of Tourism, 1971.

Citatione MLA (9a ed.)

Clement, Harry G. Philippine Tourism: Re-examined. Philippine Government and the Philippine Chamber of Tourism, 1971.