Gaya APA
editor,; Maitland A. Edey. (1969).
1970 Nature/Science Annual .
Canada:
Life-Time Books.
Gaya Chicago
editor,; Maitland A. Edey.
1970 Nature/Science Annual.
Canada:
Life-Time Books,
1969.
.
Gaya MLA
editor,; Maitland A. Edey.
1970 Nature/Science Annual.
Canada:
Life-Time Books,
1969.
.
Gaya Turabian
editor,; Maitland A. Edey.
1970 Nature/Science Annual.
Canada:
Life-Time Books,
1969.
.