Lua APA (7ú heag.)

Ferrini, A. F., & Ferrini, R. L. (1993). Health in the later years (2nd ed.). Brown & Benchmark.

Lua i Stíl Chicago (17ú heag.)

Ferrini, Armeda F., agus Rebecca L. Ferrini. Health in the Later Years. 2nd ed. Madison, Wisc.: Brown & Benchmark, 1993.

Lua MLA (8ú heag.)

Ferrini, Armeda F., agus Rebecca L. Ferrini. Health in the Later Years. 2nd ed. Brown & Benchmark, 1993.

Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.