Linq Paging Extensions

public static class PagingExtensions
{
 //linq to sql
 public static IQueryable Page(this IQueryable source, int page, int size)
 {
  return source.Skip((page - 1) * size).Take(size);
 }

 //linq to objects
 public static IEnumerable Page(this IEnumerable source, int page, int size)
 {
  return source.Skip((page - 1) * size).Take(size);
 }
}