Weniger, D. (1969). Cacti of the Southwest: Texas, New Mexico, Oklahoma, Arkansas, and Louisiana. University of Texas Press.
Chicago-čujuhus (17. p.)Weniger, Del. Cacti of the Southwest: Texas, New Mexico, Oklahoma, Arkansas, and Louisiana. Austin: University of Texas Press, 1969.
MLA-čujuhus (9. p.)Weniger, Del. Cacti of the Southwest: Texas, New Mexico, Oklahoma, Arkansas, and Louisiana. University of Texas Press, 1969.
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