Gaya APA
Morrell, D.. (1978).
Survey sample size and planning data requirements for trip generation models .
:
TRRL.
Gaya Chicago
Morrell, D..
Survey sample size and planning data requirements for trip generation models.
:
TRRL,
1978.
Chart.
Gaya MLA
Morrell, D..
Survey sample size and planning data requirements for trip generation models.
:
TRRL,
1978.
Chart.
Gaya Turabian
Morrell, D..
Survey sample size and planning data requirements for trip generation models.
:
TRRL,
1978.
Chart.