Lua APA (7ú heag.)
Sŏng, S., Horn, K., & Held, B. (2008). Estimating the cost of administering the Department of Defense Small Business Innovation Research (SBIR) Program. RAND Corp..
Lua i Stíl Chicago (17ú heag.)
Sŏng, So-mi, Kenneth Horn, agus Bruce Held. Estimating the Cost of Administering the Department of Defense Small Business Innovation Research (SBIR) Program. Santa Monica, Calif.: RAND Corp., 2008.
Lua MLA (9ú heag.)
Sŏng, So-mi, et al. Estimating the Cost of Administering the Department of Defense Small Business Innovation Research (SBIR) Program. RAND Corp., 2008.
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