Credit Account: Only for book shop clients. There are two possible ways of payments: the first one is to pay a stipulated quanty per month and the second one is that the payment is done when a certain previously stipulated quantity is reached. To request a Credit Account you must contact Llibreria Universitaria through E-mail and provide allthe personal and financial data in the Purchase Order. Credit cards: Payments will be charged to the card indicated in the Purchase Order. All books have a 5% discount plus shipping expenses Cash on delivery: All orders have a 5% discount plus shipping expenses but they will be refunded on delivery. Purchase General Conditions: Prices are subject to modifications determined by the publisher and the price of imported books will vary according to fluctuations of foreign currency exchange. Llibreria Universitaria GUARNATEES confidentiality in the data included in purchase orders.