APA

Jakeman (Vanessa) ;Mcdowell (Clare), . (1999). Insight Into Ielts. : .

Chicago

Jakeman (Vanessa) ;Mcdowell (Clare), . 1999. Insight Into Ielts. : .

Harvard

Jakeman (Vanessa) ;Mcdowell (Clare), . (1999). Insight Into Ielts. : .

MLA

Jakeman (Vanessa) ;Mcdowell (Clare), . Insight Into Ielts. : . 1999.