Παραπομπή APA

Jakeman, V., & Vanessa Jakeman; Clare McDowell; Nguyễn Thành Yến. (2004). Step up to IELTS. Tp. Hồ Chí Minh: Tổng hợp Tp. Hồ Chí Minh.

Παραπομπή Chicago Style

Jakeman, Vanessa, και Vanessa Jakeman; Clare McDowell; Nguyễn Thành Yến. Step Up to IELTS. Tp. Hồ Chí Minh: Tổng hợp Tp. Hồ Chí Minh, 2004.

Παραπομπή MLA

Jakeman, Vanessa, και Vanessa Jakeman; Clare McDowell; Nguyễn Thành Yến. Step Up to IELTS. Tp. Hồ Chí Minh: Tổng hợp Tp. Hồ Chí Minh, 2004.

Πρόσοχή: Οι παραπομπές μπορεί να μην είναι 100% ακριβείς.