American Universities Field Staff & Brown, H. (1972). Population: Perspective. Freeman, Cooper.
Chicago Style aipamenaAmerican Universities Field Staff and Harrison Brown. Population: Perspective. San Francisco: Freeman, Cooper, 1972.
MLA aipamenaAmerican Universities Field Staff and Harrison Brown. Population: Perspective. Freeman, Cooper, 1972.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.