APA
U N I C EF, .State of the world's children 1988. Oxford: Oxford University Press.
Chicago
U N I C EF, .State of the world's children 1988. Oxford: Oxford University Press.
Harvard
U N I C EF, .State of the world's children 1988. Oxford: Oxford University Press.
MLA
U N I C EF, .Oxford: Oxford University Press. .