APA način citiranja (7. izdanje)

GRONROOS CHRISTIAN. (1990). SERVICE MANAGEMENT AND MARKETING. LEXINGTON BOOKS.

Čikaški stil citiranja (17. izdanje)

GRONROOS CHRISTIAN. SERVICE MANAGEMENT AND MARKETING. MASSACHUSETTS: LEXINGTON BOOKS, 1990.

MLA način citiranja (9. izdanje)

GRONROOS CHRISTIAN. SERVICE MANAGEMENT AND MARKETING. LEXINGTON BOOKS, 1990.