The ornamental design for a bottleretainer for a refrigerator door, as shown and described.
FIG. 1 is a front perspective view of the bottle retainer for a refrigerator door showing our new design;
FIG. 2 is a front view thereof;
FIG. 3 is a rear view thereof;
FIG. 4 is a right side view thereof;
FIG. 5 is a left side view thereof;
FIG. 6 is a top view thereof; and,
FIG. 7 is a bottom view thereof.
The broken line showing of the unshaded elements on the rear side of the bottle retainer represents unclaimed subject matter and forms no part of the claimed design. In the figures, both the line shading and the stipple shading represent surface contour and are used to distinguish the surfaces front one another.