Gaya APA

Layland, M.F.. (1976). Orthophoto Maps - a New Tool for the Engineer . : PTRC.

Gaya Chicago

Layland, M.F.. Orthophoto Maps - a New Tool for the Engineer. : PTRC, 1976. Computer Software.

Gaya MLA

Layland, M.F.. Orthophoto Maps - a New Tool for the Engineer. : PTRC, 1976. Computer Software.

Gaya Turabian

Layland, M.F.. Orthophoto Maps - a New Tool for the Engineer. : PTRC, 1976. Computer Software.