Appenbrink, D. W., Hounshell, P. B., Halpern Slote, S., & Smith, O. J. (1981). Physical Science: Annotated teacher's edition. Prentice Hall, Inc.
Lua i Stíl Chicago (17ú heag.)Appenbrink, David W., Paul B. Hounshell, Silvia Halpern Slote, agus Otis J. Smith. Physical Science: Annotated Teacher's Edition. Englewood Cliffs, New Jersey: Prentice Hall, Inc, 1981.
Lua MLA (9ú heag.)Appenbrink, David W., et al. Physical Science: Annotated Teacher's Edition. Prentice Hall, Inc, 1981.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.