Steves, R. (1987). Germany, Austria and Switzerland in 22 days: A step-by-step guide and travel itinerary. John Muir Pub.
Citace podle Chicago (17th ed.)Steves, Rick. Germany, Austria and Switzerland in 22 Days: A Step-by-step Guide and Travel Itinerary. Santa Fe, N.M: John Muir Pub, 1987.
Citace podle MLA (9th ed.)Steves, Rick. Germany, Austria and Switzerland in 22 Days: A Step-by-step Guide and Travel Itinerary. John Muir Pub, 1987.
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