Gaya APA
Simpson, Alan. (1986).
Simpson's dBase III R library .
Berkeley:
Sybek.
Gaya Chicago
Simpson, Alan.
Simpson's dBase III R library.
Berkeley:
Sybek,
1986.
Text.
Gaya MLA
Simpson, Alan.
Simpson's dBase III R library.
Berkeley:
Sybek,
1986.
Text.
Gaya Turabian
Simpson, Alan.
Simpson's dBase III R library.
Berkeley:
Sybek,
1986.
Print.