Nietzsche, F. (1969). Thus spoke Zarathustra: : a book for everyone and no one. Penguin.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रNietzsche, Friedrich. Thus Spoke Zarathustra: : A Book for Everyone and No One. Harmondsworth: Penguin, 1969.
एमएलए (9वां संस्करण) प्रशस्ति पत्रNietzsche, Friedrich. Thus Spoke Zarathustra: : A Book for Everyone and No One. Penguin, 1969.
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