Gaya APA
The american ephemeris and nautical almanac for year 1972. (1969).
:
US Goverment Printings.
Gaya Chicago
The american ephemeris and nautical almanac for year 1972.
.
:
US Goverment Printings,
1969.
.
Gaya MLA
The american ephemeris and nautical almanac for year 1972.
.
:
US Goverment Printings,
1969.
.
Gaya Turabian
The american ephemeris and nautical almanac for year 1972.
:
US Goverment Printings,
1969.
.