APA

Fuchs M., Bonner M., . (1995). Focus on grammar. Workbook. Fernwald: Longman.

Chicago

Fuchs M, Bonner M, . 1995. Focus on grammar. Workbook. Fernwald: Longman.

Harvard

Fuchs M., Bonner M., . (1995). Focus on grammar. Workbook. Fernwald: Longman.

MLA

Fuchs M, Bonner M, . Focus on grammar. Workbook. Fernwald: Longman. 1995.