Rujukan Pertahanan titik

  1. ↑ Aldridge, Robert C. (1983). First Strike!: The Pentagon's Strategy for Nuclear War. South End Press. m/s. 192. ISBN 978-0-89608-154-3.
  2. ↑ NAVY PEO (SHIPS) WASHINGTON NAVY YARD DC (2013-12-01). "LPD 17 San Antonio Class Amphibious Transport Dock (LPD 17)". Fort Belvoir, VA. doi:10.21236/ada614841. Cite journal requires |journal= (bantuan)