Cita APA

Swiss Travel Service. (1980). The Wholesaler's manual for Costa Rica. [S.l.]: The Service.

Citación estilo Chicago

Swiss Travel Service. The Wholesaler's Manual for Costa Rica. [S.l.]: The Service, 1980.

Cita MLA

Swiss Travel Service. The Wholesaler's Manual for Costa Rica. [S.l.]: The Service, 1980.

Precaución: Estas citas no son 100% exactas.