Softball umpiring mechanics illustrated

This manual illustrates the mechanics of umpiring high-school fast pitch softball with either two or three person crews. The accompanying CD-ROM includes images from the book.

שנה

2010

שפה

English

סדרה

Right spot at the right time

הוצאה

Referee Enterprises

מהדורות

1

עמודים

227

ISBN

9781582081502

מקור הנתונים: Wikidata