Santrock J. W. John W. (1995). Life-Span Development: Student Study Guide (5-th ed.). Madison, Brown Benchmark, 1995.
Lua i Stíl Chicago (17ú heag.)Santrock J. W. John W. Life-Span Development: Student Study Guide. 5-th ed. Madison, Brown Benchmark, 1995, 1995.
Lua MLA (9ú heag.)Santrock J. W. John W. Life-Span Development: Student Study Guide. 5-th ed. Madison, Brown Benchmark, 1995, 1995.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.