World facts and figures : a unique, authoritative collection of comparative information about cities, countries and geographic features of the world - Showers, Victor (1910- ).; John Wiley & Sons. (New York [i 3 pozostałe] : John Wiley & Sons, 1979)
Bibliografia na stronach 679-688. Indeks.
Keywords: Geografia -- tabele, wykresy; Miasta -- statystyki