APA
Nelson D. B., Bosco J. J., Curtis W. D., Faigel D. O., Kelsey P. B., Leung J. W., Mills M. R., Smith P., Tarnasky P. R., VanDam J. & Wassef W. Y. (20000114). ASGE technology status evaluation report. Endoscopic retrieval devices. February 1999. American Society for Gastrointestinal Endoscopy. : Gastrointestinal endoscopy.
Chicago
Nelson D B, Bosco J J, Curtis W D, Faigel D O, Kelsey P B, Leung J W, Mills M R, Smith P, Tarnasky P R, VanDam J and Wassef W Y. 20000114. ASGE technology status evaluation report. Endoscopic retrieval devices. February 1999. American Society for Gastrointestinal Endoscopy. : Gastrointestinal endoscopy.
Harvard
Nelson D. B., Bosco J. J., Curtis W. D., Faigel D. O., Kelsey P. B., Leung J. W., Mills M. R., Smith P., Tarnasky P. R., VanDam J. and Wassef W. Y. (20000114). ASGE technology status evaluation report. Endoscopic retrieval devices. February 1999. American Society for Gastrointestinal Endoscopy. : Gastrointestinal endoscopy.
MLA
Nelson D B, Bosco J J, Curtis W D, Faigel D O, Kelsey P B, Leung J W, Mills M R, Smith P, Tarnasky P R, VanDam J and Wassef W Y. ASGE technology status evaluation report. Endoscopic retrieval devices. February 1999. American Society for Gastrointestinal Endoscopy. : Gastrointestinal endoscopy. 20000114.