APA Баримт

Petkov K.,Thirkell J. (1988). The brigade organization of work in bulgaria. Sofia press.

Чикаго маягийн жагсаалт

Petkov K.,Thirkell J. The Brigade Organization of Work in Bulgaria. М: Sofia press, 1988.

MLA ишлэл

Petkov K.,Thirkell J. The Brigade Organization of Work in Bulgaria. Sofia press, 1988.

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