Morrison, P. A. (1986). Continuity and change across the population sciences. Rand Corp.
Cita Chicago (17th ed.)Morrison, Peter A. Continuity and Change Across the Population Sciences. Santa Monica, CA: Rand Corp, 1986.
Cita MLA (9th ed.)Morrison, Peter A. Continuity and Change Across the Population Sciences. Rand Corp, 1986.
Atenció: Aquestes cites poden no estar 100% correctes.