Citação norma APA

Starch INRA Hooper (Firm) & United States Travel Service. Research and Analysis Division. Belgium: A study of the international travel market. The Division, c1978.

Citação norma Chicago

Starch INRA Hooper (Firm) and United States Travel Service. Research and Analysis Division. Belgium: A Study of the International Travel Market. [Washington: The Division, c1978.

Citação norma MLA

Starch INRA Hooper (Firm) and United States Travel Service. Research and Analysis Division. Belgium: A Study of the International Travel Market. The Division, c1978.

Nota: a formatação da citação pode não corresponder 100% ao definido pela respectiva norma.