Babbitt, D. G. Julkaisussa Track Coach (2020) “...Babbitt, D. G....”
Babbitt, D. G. Julkaisussa Journal of Sports Analytics (2019) “...Babbitt, D. G....”
Babbitt, D. G., Johnson, L. E. Julkaisussa Techniques Magazine (2017) “...Babbitt, D. G....”
Babbitt, D. G. Julkaisussa International Journal of Coaching Science (2017) “...Babbitt, D. G....”