APA Баримт

IFLA. (1988). The Earth's fragile systems: Perspectives on global change. Westview Press.

Чикаго маягийн жагсаалт

IFLA. The Earth's Fragile Systems: Perspectives on Global Change. L: Westview Press, 1988.

MLA ишлэл

IFLA. The Earth's Fragile Systems: Perspectives on Global Change. Westview Press, 1988.

Warning: These citations may not always be 100% accurate.