Gaya APA

Heuer, A, J., Scanlan, C, L. (2014). Wilkins' clinical assessment in respiratory care (Cet. 7). Maryland: elsevier.

Gaya MLA

Heuer, Albert, J.., Scanlan, Craig, L.. "Wilkins' clinical assessment in respiratory care". Cet. 7 Maryland: elsevier, 2014. Text.