Tuxill, J. D., & Peterson, J. A. (1998). Losing strands in the web of life: Vertebrate declines and the conservation of biological diversity. Worldwatch Institute.
Chicago (17e ed.) BronvermeldingTuxill, John D., en Jane A. Peterson. Losing Strands in the Web of Life: Vertebrate Declines and the Conservation of Biological Diversity. Washington, DC: Worldwatch Institute, 1998.
MLA (8e ed.) BronvermeldingTuxill, John D., en Jane A. Peterson. Losing Strands in the Web of Life: Vertebrate Declines and the Conservation of Biological Diversity. Worldwatch Institute, 1998.
Let op: Deze citaties zijn niet altijd 100% accuraat.