APA Баримт

Lefcourt A. and others & H. Th. Fillmer, A. L. N. C. T. (1980). American book english. American book company.

Чикаго маягийн жагсаалт

Lefcourt A. and others ба A. Lefcourt. N. C. Thompson H. Th. Fillmer. American Book English. New York: American book company, 1980.

MLA ишлэл

Lefcourt A. and others ба A. Lefcourt. N. C. Thompson H. Th. Fillmer. American Book English. American book company, 1980.