(1990). Survey of Income and Program Participation (SIPP) 1985 Full Panel Research File United States Department of Commerce. Bureau of the Census. [electronic resource].
Цитирование в стиле Чикаго (17-е изд.)Survey of Income and Program Participation (SIPP) 1985 Full Panel Research File United States Department of Commerce. Bureau of the Census. [electronic Resource]. 1990.
Цитирование MLA (9-е изд.)Survey of Income and Program Participation (SIPP) 1985 Full Panel Research File United States Department of Commerce. Bureau of the Census. [electronic Resource]. 1990.
Предупреждение: эти цитированмия не могут быть всегда правильны на 100%.