APA
Ludlow C. L., .Measuring voice, speech and swallowing in the clinic and laboratory. San Diego, CA: .
Chicago
Ludlow Christy L, .Measuring voice, speech and swallowing in the clinic and laboratory. San Diego, CA: .
Harvard
Ludlow C. L., .Measuring voice, speech and swallowing in the clinic and laboratory. San Diego, CA: .
MLA
Ludlow Christy L, .San Diego, CA: . .