Long, B. W., Smith, B. J., & Merrill, V. Merrill's atlas of radiographic positioning & procedures (Thirteenth edition.).
Lua i Stíl Chicago (17ú heag.)Long, Bruce W., Barbara J. Smith, agus Vinita Merrill. Merrill's Atlas of Radiographic Positioning & Procedures. Thirteenth edition.
Lua MLA (8ú heag.)Long, Bruce W., et al. Merrill's Atlas of Radiographic Positioning & Procedures. Thirteenth edition.
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