APA Баримт

(2007). Upstream intermediate B1: Workbook. ЛОРИ.

Чикаго маягийн жагсаалт

Upstream Intermediate B1: Workbook. Express publishing: ЛОРИ, 2007.

MLA ишлэл

Upstream Intermediate B1: Workbook. ЛОРИ, 2007.

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