Dyfyniad APA

Matter, J. A. (1974). Love, altruism, and world crisis: The challenge of pitirim sorokin. Nelson.

Dyfyniad Arddull Chicago

Matter, Joseph A. Love, Altruism, and World Crisis: The Challenge of Pitirim Sorokin. Chicago: Nelson, 1974.

Dyfyniad MLA

Matter, Joseph A. Love, Altruism, and World Crisis: The Challenge of Pitirim Sorokin. Nelson, 1974.

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.