Gaya APA
Wardhaugh, B. (2010).
H o w t o r e a d
Historical Mathematics (CETAKAN PERTAMA).
America:
Benjamin Wardhaugh.
Gaya MLA
Wardhaugh, Benjamin.
"H o w t o r e a d
Historical Mathematics".
CETAKAN PERTAMA
America:
Benjamin Wardhaugh,
2010.
Text.