Blue, R. (1933). Subject of the Following Letter: Excerpts from a Personal Letter from Dr. Rupert Blue, former Surgeon-General of the United States Public Health Service, on Subject of Bubonic Plague and Rat-Proofing Measures.
استشهاد بنمط شيكاغوBlue, Rupert. Subject of the Following Letter: Excerpts From a Personal Letter From Dr. Rupert Blue, Former Surgeon-General of the United States Public Health Service, On Subject of Bubonic Plague and Rat-Proofing Measures. 1933.
MLA استشهادBlue, Rupert. Subject of the Following Letter: Excerpts From a Personal Letter From Dr. Rupert Blue, Former Surgeon-General of the United States Public Health Service, On Subject of Bubonic Plague and Rat-Proofing Measures. 1933.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.