Gaya APA

The How and Why Program: Little Questions that Lead to Great Discoveries. (1959). Cleveland: The L.J. Bullard.

Gaya Chicago

The How and Why Program: Little Questions that Lead to Great Discoveries. . Cleveland: The L.J. Bullard, 1959. Buku.

Gaya MLA

The How and Why Program: Little Questions that Lead to Great Discoveries. . Cleveland: The L.J. Bullard, 1959. Buku.

Gaya Turabian

The How and Why Program: Little Questions that Lead to Great Discoveries. Cleveland: The L.J. Bullard, 1959. Buku.