Whelan, D. J., & Elischer, P. P. (1983). Potassium benzoate for pyrotechnic whistling compositions: Its synthesis and characterization as an anhydrous salt. Materials Research Laboratories.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Whelan, Daniel J., و Paul P. Elischer. Potassium Benzoate for Pyrotechnic Whistling Compositions: Its Synthesis and Characterization as an Anhydrous Salt. Ascot Vale, Vic.: Materials Research Laboratories, 1983.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Whelan, Daniel J., و Paul P. Elischer. Potassium Benzoate for Pyrotechnic Whistling Compositions: Its Synthesis and Characterization as an Anhydrous Salt. Materials Research Laboratories, 1983.
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