Clark, E., & Selzer, R. (1986). Growing old is not for sissies: Portraits of senior athletes / Etta Clark. With an introduction by Richard Selzer. Pomegranate.
Lua i Stíl Chicago (17ú heag.)Clark, Etta, agus Richard Selzer. Growing Old Is Not for Sissies: Portraits of Senior Athletes / Etta Clark. With an Introduction by Richard Selzer. Corte Madera, Calif.: Pomegranate, 1986.
Lua MLA (8ú heag.)Clark, Etta, agus Richard Selzer. Growing Old Is Not for Sissies: Portraits of Senior Athletes / Etta Clark. With an Introduction by Richard Selzer. Pomegranate, 1986.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.