Bubble Sort Algorithm in C#

static int[] bubbleSort(int[] numbers, int array_size)
{
int i, j, temp;

for (i = (array_size - 1); i >= 0; i--)
{
for (j = 1; j <= i; j++)
{
if (numbers[j - 1] > numbers[j])
{
temp = numbers[j - 1];
numbers[j - 1] = numbers[j];
numbers[j] = temp;
}
}
}
return numbers;
}