ŁĘTOWSKI, T., ZIMAK, L., & CIOŁKOSZ-ŁUPINOWA, H. Timbre differences of an individual voice in solo and in choral singing. Institute of Fundamental Technological Research Polish Academy of Sciences.
Chicago Style (17th ed.) CitationŁĘTOWSKI, Tomasz, Lidia ZIMAK, and Halina CIOŁKOSZ-ŁUPINOWA. Timbre Differences of an Individual Voice in Solo and in Choral Singing. Institute of Fundamental Technological Research Polish Academy of Sciences.
MLA (9th ed.) CitationŁĘTOWSKI, Tomasz, et al. Timbre Differences of an Individual Voice in Solo and in Choral Singing. Institute of Fundamental Technological Research Polish Academy of Sciences.
Warning: These citations may not always be 100% accurate.