Gaya APA

Tschäppeler, M, K, R. (2025). The Communication Book: 44 Ideas for Better Conversations Every Day (1st Edition). New York, USA: W. W. Norton & Company.

Gaya MLA

Tschäppeler, Mikael, Krogerus;, Roman. "The Communication Book: 44 Ideas for Better Conversations Every Day". 1st Edition New York, USA: W. W. Norton & Company, 2025. Text.