Birdsall, S., Florin, J. Outline of American geography. S. l.: United States Information Agency, 1992 196 p.: ill., 7 f. ill.
Birdsall, S., Florin, J. Outline of American geography. S. l.: United States Information Agency, 1992 196 p.: ill., 7 f. ill.
Birdsall, S., Florin, J. (1992) Outline of American geography, S. l.: United States Information Agency 196 p.: ill., 7 f. ill.
Birdsall, S., & Florin, J. (1992). Outline of American geography. Regional Landscapes of the United States. S. l.: United States Information Agency, 196 p.: ill., 7 f. ill.
Birdsall S, Florin J. Outline of American geography: Regional Landscapes of the United States. S. l.: United States Information Agency; 1992. p. 196 p.: ill., 7 f. ill.