Não informado. (1947). Contributions from Bears Bluff Laboratories. Bears Bluff Laboratories.
Style de citation Chicago (17e éd.)Não informado. Contributions from Bears Bluff Laboratories. Wadmalaw Island, SC: Bears Bluff Laboratories, 1947.
Style de citation MLA (8e éd.)Não informado. Contributions from Bears Bluff Laboratories. Bears Bluff Laboratories, 1947.
Attention : ces citations peuvent ne pas être correctes à 100%.