Science Fiction and Fantasy Writers of America & Sen, N. (2020). Nebula awards showcase #54: The year's best of science fiction and fantasy. [Science Fiction and Fantasy Writers of America].
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Science Fiction and Fantasy Writers of America و Nibedita Sen. Nebula Awards Showcase #54: The Year's Best of Science Fiction and Fantasy. [United States]: [Science Fiction and Fantasy Writers of America], 2020.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Science Fiction and Fantasy Writers of America و Nibedita Sen. Nebula Awards Showcase #54: The Year's Best of Science Fiction and Fantasy. [Science Fiction and Fantasy Writers of America], 2020.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.