APA aipamena

Barr, T. R., & Towle, E. L. (2012). Oncology Practice Trends From the National Practice Benchmark. American Society of Clinical Oncology.

Chicago Style aipamena

Barr, Thomas R., and Elaine L. Towle. Oncology Practice Trends From the National Practice Benchmark. American Society of Clinical Oncology, 2012.

MLA aipamena

Barr, Thomas R., and Elaine L. Towle. Oncology Practice Trends From the National Practice Benchmark. American Society of Clinical Oncology, 2012.