Gaya APA

HEUER, A, J., SCANLAN, C, L. (2018). Wilkins' clinical assessment in respiratory care (8th ed.). St. Louis: Elsevier.

Gaya MLA

HEUER, Albert, J.., SCANLAN, Craig, L.. "Wilkins' clinical assessment in respiratory care". 8th ed. St. Louis: Elsevier, 2018. Text.