Gaya APA

Key maths 8. (510). : v+386.

Gaya Chicago

Key maths 8. Nelson thornes. : v+386, 510. Baker David.

Gaya MLA

Key maths 8. Nelson thornes. : v+386, 510. Baker David.

Gaya Turabian

Key maths 8. : v+386, 510. Baker David.