Cash book - credt sales

Hello all,
I would like to know how to do entries for Credit Sales in Cash Book (with csh and bank column). What ledgers do I hve to maintain for above entry. I have couple of Customers who do credit business. Most of the times I get payment in next financial year through cheque.

Please help.

I didn't find the right solution from the Internet.

References:
www.caclubindia.com/forum/cash-book-credt-sales-387078.asp
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Thanks