Nelson, R. R. (1963). Aggregate production functions and medium-range growth projections. Rand Corp.
Lua i Stíl Chicago (17ú heag.)Nelson, Richard R. Aggregate Production Functions and Medium-range Growth Projections. Santa Monica, Calif: Rand Corp, 1963.
Lua MLA (9ú heag.)Nelson, Richard R. Aggregate Production Functions and Medium-range Growth Projections. Rand Corp, 1963.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.