Dave Ulrich ... [et al. David Pollino ... [et al.]. David Cline... [et al.] David Goldfield ... [et al.]. David Panagrosso... [et al. David M. Levine ... [et al.]. David Chou ... [et al.]著 Gary B. Nash ... [et al.]. David Panagrosso... [et al.] Salman Khan ... [et al.