Alexander L.G. (1992). First thingsfirst: Student book.
Чикаго маягийн жагсаалтAlexander L.G. First Thingsfirst: Student Book. Longman, 1992.
MLA ишлэлAlexander L.G. First Thingsfirst: Student Book. 1992.
Warning: These citations may not always be 100% accurate.