How to add a new source for a bibliography in word?.

Which of the following was  not  part of the typical medieval mass ordinary service? kyriegloriacredo motetsanctusagnus dei

3. 3. what are some rules for writing dialogue?

To create an illustration of perspective, this artist did all of the following except 1) show clear orthogonal lines 2) have an implied vanishing point 3) distort proportion to keep the background and foreground the same size 4) include value changes between the foreground and background i was thinking maybe 1