Downey, K., Zhang, Y., Urbano, C., & Klingler, T. (2014). A Comparative Study of Print Book and DDA Ebook Acquisition and Use (1–). Technical Services Quarterly. https://doi.org/10.1080/07317131.2014.875379
Downey, Kay, Yin Zhang, Cristóbal Urbano, and Tom Klingler. 2014. “A Comparative Study of Print Book and DDA Ebook Acquisition and Use”. Technical Services Quarterly. https://doi.org/10.1080/07317131.2014.875379.
Downey, Kay, et al. A Comparative Study of Print Book and DDA Ebook Acquisition and Use. Technical Services Quarterly, 17 Mar. 2014, https://doi.org/10.1080/07317131.2014.875379.