Gaya APA
van Wambeke, A.. (1981).
Soil Exploration and Sampling (Session 7) .
:
s.n..
Gaya Chicago
van Wambeke, A..
Soil Exploration and Sampling (Session 7).
:
s.n.,
1981.
Computer Software.
Gaya MLA
van Wambeke, A..
Soil Exploration and Sampling (Session 7).
:
s.n.,
1981.
Computer Software.
Gaya Turabian
van Wambeke, A..
Soil Exploration and Sampling (Session 7).
:
s.n.,
1981.
Computer Software.