21.1.12 The standard broadcast format is;
a. {Location} Traffic
b. {Aircraft type}
c. {Callsign}
d. {Position/intentions}
e. {Location}
There are numerous other references to using bearing/distance/quadrant. Such as:
(distance) MILES [DME]
[RADIAL (VOR radial) or
(compass quadrant from
aerodrome, eg: SOUTH /
SOUTH EAST, etc)] followed
as necessary by:
(i) MAINTAINING (or
DESCENDING) TO (level)
Obviously it is the pilots choice, however I would suggest the one that keeps the least experienced pilot in the loop would be the only way to go.....