Rucka, G. (2020). The old guard (2017), book 2: Force multiplied (Collected Mini-Series.). Image Comics.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रRucka, Greg. The Old Guard (2017), Book 2: Force Multiplied. Collected Mini-Series. Cleveland: Image Comics, 2020.
एमएलए (8वां संस्करण) प्रशस्ति पत्रRucka, Greg. The Old Guard (2017), Book 2: Force Multiplied. Collected Mini-Series. Image Comics, 2020.
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