Παραπομπή σε μορφή APA (7η εκδ.)

SEMLER RICARDO. (2004). SEVEN DAY WEEKEND: BETTER WAY TO WORK IN THE 21ST CENTURY. ARROW BOOKS.

Παραπομπή σε μορφή Chicago (17η εκδ.)

SEMLER RICARDO. SEVEN DAY WEEKEND: BETTER WAY TO WORK IN THE 21ST CENTURY. LONDON: ARROW BOOKS, 2004.

Παραπομπή σε μορφή MLA (9th εκδ.)

SEMLER RICARDO. SEVEN DAY WEEKEND: BETTER WAY TO WORK IN THE 21ST CENTURY. ARROW BOOKS, 2004.