National Geographic Society, & Grosvenor, G. M. (1978). National geographic picture atlas of our fifty states (1. ed.). Washington, DC: National Geographical Book Service.
Chicago ZitierstilNational Geographic Society, und Gilbert M. Grosvenor. National Geographic Picture Atlas of Our Fifty States. 1. ed. Washington, DC: National Geographical Book Service, 1978.
MLA ZitierstilNational Geographic Society, und Gilbert M. Grosvenor. National Geographic Picture Atlas of Our Fifty States. 1. ed. Washington, DC: National Geographical Book Service, 1978.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.