Cowen, E. D., Murray, C. A., Thompson, S., Strickland, R. E. M., Arney, C. E., Hume, H., & Dallam, F. M. (1930). Newspaper career of E. D. Cowen: With biographic sketches. Western company.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रCowen, Edward David, Charles A. Murray, Slason Thompson, R. E. M. Strickland, C. E. Arney, Hugh Hume, और Frank M. Dallam. Newspaper Career of E. D. Cowen: With Biographic Sketches. [Seattle: Western company, 1930.
एमएलए (8वां संस्करण) प्रशस्ति पत्रCowen, Edward David, et al. Newspaper Career of E. D. Cowen: With Biographic Sketches. Western company, 1930.
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