"Martin Mull (visual voices guide)". Behind The Voice Actors. Archived from the original on April 6, 2023. Retrieved September 9, 2023. A green check mark indicates that a role has been confirmed using a screenshot (or collage of screenshots) of a title's list of voice actors and their respective characters found in its credits or other reliable sources of information.
"Martin Mull (visual voices guide)". Behind The Voice Actors. Archived from the original on April 6, 2023. Retrieved September 9, 2023. A green check mark indicates that a role has been confirmed using a screenshot (or collage of screenshots) of a title's list of voice actors and their respective characters found in its credits or other reliable sources of information.
"RPM Top 100 Singles"(PDF). RPM: 15. May 19, 1973. Archived(PDF) from the original on June 16, 2022. Retrieved November 11, 2021.
"RPM Top 100 A.C."(PDF). RPM: 20. June 9, 1973. Archived(PDF) from the original on September 30, 2022. Retrieved November 11, 2021.