APA-Zitierstil (7. Ausg.)

Johnson, R. M. (1995). Picture communication symbols (Wordless ed.). Mayer-Johnson.

Chicago-Zitierstil (17. Ausg.)

Johnson, Roxanna Mayer. Picture Communication Symbols. Wordless ed. Solana Beach, Calif: Mayer-Johnson, 1995.

MLA-Zitierstil (9. Ausg.)

Johnson, Roxanna Mayer. Picture Communication Symbols. Wordless ed. Mayer-Johnson, 1995.