Gaya APA
Ledin, George. (1984).
Pascal .
:
Mayfield publishing company.
Gaya Chicago
Ledin, George.
Pascal.
:
Mayfield publishing company,
1984.
Text.
Gaya MLA
Ledin, George.
Pascal.
:
Mayfield publishing company,
1984.
Text.
Gaya Turabian
Ledin, George.
Pascal.
:
Mayfield publishing company,
1984.
Print.