Gaya APA
Teaching and Learning Mathematics ( in Secondary Schools ). (1978).
USA:
Wm.C. Brown Company Publisher.
Gaya Chicago
Teaching and Learning Mathematics ( in Secondary Schools ).
.
USA:
Wm.C. Brown Company Publisher,
1978.
Buku.
Gaya MLA
Teaching and Learning Mathematics ( in Secondary Schools ).
.
USA:
Wm.C. Brown Company Publisher,
1978.
Buku.
Gaya Turabian
Teaching and Learning Mathematics ( in Secondary Schools ).
USA:
Wm.C. Brown Company Publisher,
1978.
Buku.