Cita APA (7th ed.)
PETRIE, H. MOBIC: AN AID TO INCREASE THE INDEPENDENT MOBILITY OF BLIND TRAVELLERS.
Cita Chicago (17th ed.)
PETRIE, H. MOBIC: AN AID TO INCREASE THE INDEPENDENT MOBILITY OF BLIND TRAVELLERS.
Cita MLA (9th ed.)
PETRIE, H. MOBIC: AN AID TO INCREASE THE INDEPENDENT MOBILITY OF BLIND TRAVELLERS.
Atenció: Aquestes cites poden no estar 100% correctes.