APA aipamena

Wedzicha, J. A., Calverley, P. M., & Rabe, K. F. (2016). Roflumilast: A review of its use in the treatment of COPD. Int J Chron Obstruct Pulmon Dis.

Chicago Style aipamena

Wedzicha, Jadwiga A., Peter MA Calverley, and Klaus F. Rabe. "Roflumilast: A Review of Its Use in the Treatment of COPD." Int J Chron Obstruct Pulmon Dis 2016.

MLA aipamena

Wedzicha, Jadwiga A., Peter MA Calverley, and Klaus F. Rabe. "Roflumilast: A Review of Its Use in the Treatment of COPD." Int J Chron Obstruct Pulmon Dis 2016.