APA-viite (7. p.)

BURALL, P. (1996). PRODUCT DEVELOPMENT AND THE ENVIRONMENT (1ST.). GOWER PUBLISHING.

Chicago-viite (17. p.)

BURALL, PAUL. PRODUCT DEVELOPMENT AND THE ENVIRONMENT. 1ST. LONDON: GOWER PUBLISHING, 1996.

MLA-viite (9. p.)

BURALL, PAUL. PRODUCT DEVELOPMENT AND THE ENVIRONMENT. 1ST. GOWER PUBLISHING, 1996.