Gaya APA
EL-NAGGAR, Z.R.. (1999).
SOURCES OF SCIENTIFIC KNOWLEDGE .
USA:
INTERNATIONAL INSTITUTE OF ISLAMIC THOUGHT VIRGINIA.
Gaya Chicago
EL-NAGGAR, Z.R..
SOURCES OF SCIENTIFIC KNOWLEDGE.
USA:
INTERNATIONAL INSTITUTE OF ISLAMIC THOUGHT VIRGINIA,
1999.
Text.
Gaya MLA
EL-NAGGAR, Z.R..
SOURCES OF SCIENTIFIC KNOWLEDGE.
USA:
INTERNATIONAL INSTITUTE OF ISLAMIC THOUGHT VIRGINIA,
1999.
Text.
Gaya Turabian
EL-NAGGAR, Z.R..
SOURCES OF SCIENTIFIC KNOWLEDGE.
USA:
INTERNATIONAL INSTITUTE OF ISLAMIC THOUGHT VIRGINIA,
1999.
Print.