Gaya APA
Hawkins, R, R. (1958).
Scientific, Medical, and Technical Books = published in the United States Of America (Edisi 2).
:
National Research Council.
Gaya MLA
Hawkins, R., R..
"Scientific, Medical, and Technical Books = published in the United States Of America".
Edisi 2
:
National Research Council,
1958.
Text.