Citazione APA

Helfer, K. S., & Freyman, R. L. (2009). Lexical and indexical cues in masking by competing speech. Acoustical Society of America.

Stile di citazione Chicago

Helfer, Karen S., e Richard L. Freyman. Lexical and Indexical Cues in Masking By Competing Speech. Acoustical Society of America, 2009.

Citazione MLA

Helfer, Karen S., e Richard L. Freyman. Lexical and Indexical Cues in Masking By Competing Speech. Acoustical Society of America, 2009.

Attenzione: Queste citazioni potrebbero non essere precise al 100%.